EDPT Exam — Questions and Answers

Question 1: A database backup takes 18 minutes to complete. If the system runs backups every 4 hours, how many total minutes are spent on backups in a 24-hour day?

72
108 (Correct answer)
126
90

Correct answer: 108

Backups per day = 24 ÷ 4 = 6; total time = 6 × 18 = 108 minutes.

Question 2: What is the next term: 1, 1, 2, 3, 5, 8, ___?

13 (Correct answer)
15
11
12

Correct answer: 13

Each term is the sum of the two preceding terms (Fibonacci), so 5 + 8 = 13.

Question 3: Which equation represents a line parallel to y = 3x + 1?

y = 3x - 7 (Correct answer)
y = -x + 3
y = (1/3)x + 2
y = -3x + 4

Correct answer: y = 3x - 7

Parallel lines have the same slope; y = 3x - 7 has slope 3, matching the original.

Question 4: Shape A has a thick border and a light gray fill. Shape B has no border and a dark gray fill. The transformation:

Darkens the border and lightens the fill
Adds an inner border and lightens the fill
Removes both border and fill
Removes the border and darkens the fill (Correct answer)

Correct answer: Removes the border and darkens the fill

The border is removed and the fill color becomes darker in a single combined transformation step.

Question 5: Which number continues the sequence: 1, 4, 9, 16, 25, ___?

35
36 (Correct answer)
30
49

Correct answer: 36

These are perfect squares (1², 2², 3², 4², 5²), so the next is 6² = 36.

Question 6: A rectangular piece of paper is folded in half vertically, then folded in half horizontally. One square hole is punched through all layers. How many holes appear when the paper is unfolded?

1
2
8
4 (Correct answer)

Correct answer: 4

Two folds create 4 layers, and a single punch through all layers produces 4 holes when unfolded.

Question 7: A network switch can handle a maximum of 500 packets per second. During a stress test, it is currently handling 120 packets per second. Which inequality represents the additional number of packets, 'p', the switch can handle without exceeding its maximum capacity?

p + 120 <= 500 (Correct answer)
p + 120 < 500
p - 120 <= 500
p + 120 > 500

Correct answer: p + 120 <= 500

The current load (120) plus the additional packets (p) must be less than or equal to the maximum capacity (500). Therefore, the correct inequality is 120 + p <= 500.

Question 8: Which of the answer choices is the correct mirror image of the given figure across the dashed vertical line? The figure is a capital letter 'R' with a small, solid black dot attached to the top-right tip of the letter.

A backward (reversed) capital 'R' with the dot attached to its top-left tip. (Correct answer)
A capital 'R' rotated 180 degrees with the dot on the bottom-left.
A backward (reversed) capital 'R' with the dot still on the top-right.
The original figure, unchanged.

Correct answer: A backward (reversed) capital 'R' with the dot attached to its top-left tip.

A mirror image across a vertical line reflects the object horizontally. The main body of the 'R' will be reversed. The dot, which is on the right side of the original figure, will appear on the left side in the reflection, maintaining its relative top position. Therefore, the result is a backward 'R' with the dot on the top-left.

Question 9: Complete the sequence: 50, 43, 36, 29, ___?

20
23
22 (Correct answer)
21

Correct answer: 22

Each term decreases by 7, so 29 − 7 = 22.

Question 10: What is the greatest common factor (GCF) of 12x³ and 18x²?

6x² (Correct answer)
6x³
36x⁵
18x²

Correct answer: 6x²

GCF of 12 and 18 is 6, and the lowest power of x is x², so GCF = 6x².

Question 11: De Morgan's theorem states that NOT(A OR B) is equivalent to:

(NOT A) OR (NOT B)
NOT A OR B
(NOT A) AND (NOT B) (Correct answer)
A AND B

Correct answer: (NOT A) AND (NOT B)

De Morgan's theorem: NOT(A OR B) = (NOT A) AND (NOT B).

Question 12: Which value fills the blank: 3, 7, 15, 31, ___?

63 (Correct answer)
55
47
62

Correct answer: 63

Each term is doubled and then 1 is added: 31 × 2 + 1 = 63.

Question 13: There are affordable alternatives to commercial software.

Ransomware
Proprietary software
Open-source software (Correct answer)
Search engine

Correct answer: Open-source software

Open-source software is characterized by its source code being freely available to the public, allowing anyone to view, modify, and distribute it. This model often results in software that is free of charge or significantly less expensive than proprietary (commercial) alternatives. Its accessibility and community-driven development make it a highly affordable and flexible option for many users.

Question 14: A bar chart shows monthly server errors: Jan=40, Feb=55, Mar=35, Apr=50. What is the mean number of errors?

40
45 (Correct answer)
180
50

Correct answer: 45

(40+55+35+50) ÷ 4 = 180 ÷ 4 = 45.

Question 15: Which number logically follows in this sequence? 3, 4, 8, 17, 33, ...

58 (Correct answer)
50
66
42

Correct answer: 58

The pattern is to add the square of consecutive integers, starting with 1. First, 3 + 1^2 = 3 + 1 = 4. Then, 4 + 2^2 = 4 + 4 = 8. Next, 8 + 3^2 = 8 + 9 = 17. Following that, 17 + 4^2 = 17 + 16 = 33. The final step is 33 + 5^2 = 33 + 25 = 58.

Question 16: A database query is run multiple times. What is the median query execution time? (1) The query was run 7 times and the average execution time was 50 milliseconds. (2) The set of execution times has a single mode of 52 milliseconds.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient to answer the question. (Correct answer)

Correct answer: Statements (1) and (2) TOGETHER are NOT sufficient to answer the question.

The median is the middle value in an ordered set of numbers. Statement (1) gives the average and the count, but this doesn't determine the middle value. For example, the set {10, 20, 30, 50, 70, 80, 90} has an average of 50 and a median of 50. But the set {47, 48, 49, 50, 51, 52, 53} also has an average of 50 and a median of 50. Wait, a better counterexample: {1, 1, 1, 50, 99, 99, 99} has an average of 50 and a median of 50. But {40, 45, 48, 50, 52, 55, 60} also has an average of 50 and a median of 50. Knowing the average is not sufficient. Statement (2) tells us the most frequent value (mode), which provides no information about the middle value. Combining the statements does not provide enough information to determine the specific values in the set, and therefore the median cannot be found.

Question 17: Complete the sequence: 120, 60, 30, 15, ___?

6
8
7.5 (Correct answer)
5

Correct answer: 7.5

Each term is halved, so 15 ÷ 2 = 7.5.

Question 18: A large triangle contains a medium triangle, which contains a small triangle. After transformation only the large and small triangles remain. The medium level was:

Moved outside all other triangles
Merged with the large triangle
Removed (Correct answer)
Scaled down to microscopic

Correct answer: Removed

The middle layer is deleted, leaving only the outermost and innermost shapes.

Question 19: What is the purpose of an index in a database?

To enforce password policies
To speed up data retrieval operations (Correct answer)
To encrypt sensitive columns
To duplicate data for backups

Correct answer: To speed up data retrieval operations

A database index is a data structure that improves the speed of data retrieval operations at the cost of additional storage space.

Question 20: Jorge attends school from Monday through Friday. He attends 18 courses a week. He is late to one-fourth of his classes this week, and on Thursday, when he doesn't show up at all, he is marked absent. On Thursdays, he typically has two lessons. <br> How many classes did Jorge show up late for?

30%
22%
25% (Correct answer)
15%

Correct answer: 25%

The question asks specifically how many classes Jorge showed up late for, and the options are percentages. The problem states directly that 'He is late to one-fourth of his classes this week.' One-fourth, as a fraction, is equivalent to 25% when converted to a percentage. The information about his absence on Thursday is a distractor for this particular question.

Question 21: A system's CPU usage drops from 92% to 69%. By how many percentage points did it decrease?

23 (Correct answer)
25
33
21

Correct answer: 23

92 − 69 = 23 percentage points.

Question 22: A flowchart counts how many numbers in a list are greater than 100. After the loop, it outputs the count. If the list is [50, 150, 200, 75, 125], what is the output?

5
4
3 (Correct answer)
2

Correct answer: 3

The values 150, 200, and 125 are greater than 100, so the counter reaches 3.

Question 23: Which data structure follows a Last-In, First-Out (LIFO) principle?

Stack (Correct answer)
Queue
Array
Linked list

Correct answer: Stack

A stack follows LIFO (Last-In, First-Out), meaning the most recently added element is the first one removed.

Question 24: No encrypted files are stored on public servers. File X is stored on a public server. What can you conclude about File X?

File X is not encrypted (Correct answer)
File X may or may not be encrypted
File X is encrypted
File X is a backup

Correct answer: File X is not encrypted

Since no encrypted files are on public servers and File X is on a public server, File X cannot be encrypted.

Question 25: What is the result of binary addition 0101 + 0011?

0110
1001
0111
1000 (Correct answer)

Correct answer: 1000

0101 (5) plus 0011 (3) equals 1000 (8) in binary.

Question 26: Figure A has three horizontal lines stacked. Figure B has three vertical lines side by side. Figure C has four horizontal lines. What is Figure D?

Four horizontal lines
Four vertical lines side by side (Correct answer)
Three vertical lines
Four diagonal lines

Correct answer: Four vertical lines side by side

The transformation rotates the orientation from horizontal to vertical, and the count is preserved from C.

Question 27: Shape A is a large rectangle with a small circle in the top-left corner. Shape B is a large rectangle with a small circle in the bottom-right corner. The circle has moved:

Straight down one row
To the top-right corner
Diagonally across to the opposite corner (Correct answer)
To the center of the rectangle

Correct answer: Diagonally across to the opposite corner

The small element shifts diagonally from one corner to the diagonally opposite corner.

Question 28: De Morgan's theorem states that NOT(A AND B) equals:

A OR B
A AND B
NOT A AND NOT B
NOT A OR NOT B (Correct answer)

Correct answer: NOT A OR NOT B

De Morgan's first law: NOT(A AND B) = NOT A OR NOT B.

Question 29: Complete the sequence: 1, 4, 13, 40, ___?

132
115
100
121 (Correct answer)

Correct answer: 121

Each term is multiplied by 3 and then 1 is added: 40 × 3 + 1 = 121.

Question 30: In a spreadsheet, cell B3 contains the formula =B1+B2. If B1=12 and B2=8, what does B3 display?

B1+B2
8
12
20 (Correct answer)

Correct answer: 20

The formula adds the values in B1 and B2: 12 + 8 = 20.

Question 31: An author writes: 'Structured programming improves code readability by limiting control flow to three constructs: sequence, selection, and iteration.' A reviewer claims the author implies that unstructured code is always unreadable. Does the passage support this inference?

Yes, because the passage lists exactly three constructs, leaving no room for alternatives
No, because the passage is only about iteration constructs
Yes, because the passage states structured programming improves readability, implying all other approaches fail to do so
No, because the passage describes a benefit of structured programming without making a claim about the readability of all unstructured code (Correct answer)

Correct answer: No, because the passage describes a benefit of structured programming without making a claim about the readability of all unstructured code

The passage claims structured programming improves readability but does not assert that unstructured code is always unreadable; the reviewer's inference goes beyond what the text states.

Question 32: What is the value of the expression 5a - 2b when a = 4 and b = 3?

26
20
12
14 (Correct answer)

Correct answer: 14

5(4) - 2(3) = 20 - 6 = 14.

Question 33: A dataset grows from 250 MB to 400 MB. What is the percentage increase?

37.5%
62.5%
60% (Correct answer)
150%

Correct answer: 60%

(400 − 250) ÷ 250 × 100 = 60%.

Question 34: What is the slope of the line passing through (2, 3) and (6, 11)?

4
2 (Correct answer)
3
1

Correct answer: 2

Slope = (11 - 3) / (6 - 2) = 8 / 4 = 2.

Question 35: An analog clock shows 3:45. If you look at the clock reflected in a mirror, what time does the reflection appear to show?

8:45
9:15
9:00
8:15 (Correct answer)

Correct answer: 8:15

Reflecting a clock face swaps left and right; 3:45 becomes 8:15 in a mirror image.

Question 36: If x + 14 = 3x − 6, what is the value of x?

10 (Correct answer)
4
5
8

Correct answer: 10

14 + 6 = 3x − x → 20 = 2x → x = 10.

Question 37: Two servers, A and B, are processing a large dataset. How many hours would it take Server A to process the dataset by itself? (1) Working together, Server A and Server B can process the dataset in 8 hours. (2) Server B processes data at a rate that is one-third the rate of Server A.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. (Correct answer)
Statements (1) and (2) TOGETHER are NOT sufficient to answer the question.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

Correct answer: BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

To find the time it takes Server A alone, we need a specific value for its processing rate. Statement (1) gives us a combined rate equation (1/A + 1/B = 1/8), but with two variables, it's insufficient. Statement (2) gives a relationship between the rates (B = 3A, in terms of time), but no specific values, so it is also insufficient. However, by combining the two statements, we can substitute the relationship from (2) into the equation from (1) to create a single-variable equation (1/A + 1/(3A) = 1/8) and solve for A.

Question 38: Evaluate: 2³ + 3²

17 (Correct answer)
25
72
13

Correct answer: 17

2³ = 8 and 3² = 9; 8 + 9 = 17.

Question 39: Which of the following numbers completes the sequence: 4, 5, 9, 14, 23, ...?

28
37 (Correct answer)
46
32

Correct answer: 37

This sequence follows the Fibonacci rule, where each number is the sum of the two preceding numbers. 4 + 5 = 9. 5 + 9 = 14. 9 + 14 = 23. Therefore, the next number is 14 + 23 = 37.

Question 40: In a flowchart, a predefined process symbol (rectangle with double vertical bars on sides) means:

A manual operation
A conditional branch
A database access
A call to a subroutine or subprogram (Correct answer)

Correct answer: A call to a subroutine or subprogram

The predefined process symbol indicates a subroutine or separately defined process is being invoked.

Question 41: Find the next value: 1000, 500, 250, 125, ___?

63
60
62.5 (Correct answer)
70

Correct answer: 62.5

Each term is divided by 2, so 125 ÷ 2 = 62.5.

Question 42: Four technicians (Adams, Bell, Clark, Davis) are each proficient in a different coding language (Python, Java, C++, SQL). - Adams is not proficient in Java or C++. - Bell is proficient in SQL. - Clark is not proficient in Java. Which of the following must be true?

Davis is proficient in Python.
Adams is proficient in SQL.
Davis is proficient in C++.
Clark is proficient in Python. (Correct answer)

Correct answer: Clark is proficient in Python.

Let's use a logic grid. Bell is proficient in SQL, so we can assign that. This means no one else is proficient in SQL. Adams is not proficient in Java or C++, and we know he's not proficient in SQL (because Bell is), so Adams must be proficient in Python. Now only Java and C++ are left for Clark and Davis. Clark is not proficient in Java, so he must be proficient in C++. This leaves Davis, who must be proficient in Java. Therefore, the statement 'Clark is proficient in Python' is the only one that must be true based on the deductions.

Question 43: A pentagon is divided into 5 equal sectors, all shaded. In the transformed figure, alternate sectors are unshaded. What type of transformation occurred?

Alternating fill removal (Correct answer)
Sector count reduced by half
Rotation by 72 degrees
Reflection across a vertical axis

Correct answer: Alternating fill removal

The transformation removes shading from every other sector, creating an alternating filled/unfilled pattern.

Question 44: NOVEL : CHAPTER :: PLAY : ___

Act (Correct answer)
Scene
Line
Script

Correct answer: Act

A novel is divided into chapters; a play is divided into acts.

Question 45: Observe the sequence of figures. A small arrow within a 3x3 grid starts in the top-left square pointing right (East). In each subsequent step, the arrow moves one square clockwise around the perimeter and rotates 45 degrees clockwise. What is the position and orientation of the arrow in the fifth step of the sequence?

In the bottom-middle square, pointing West.
In the middle-right square, pointing South-West.
In the bottom-right square, pointing West. (Correct answer)
In the bottom-right square, pointing North-West.

Correct answer: In the bottom-right square, pointing West.

Let's trace the two patterns: position and rotation. Position: 1. Top-Left -> 2. Top-Middle -> 3. Top-Right -> 4. Middle-Right -> 5. Bottom-Right. Rotation: 1. East (0°) -> 2. South-East (45°) -> 3. South (90°) -> 4. South-West (135°) -> 5. West (180°). Therefore, in the fifth step, the arrow is in the bottom-right square and is pointing West.

Question 46: Which Boolean law states that A AND (B OR C) = (A AND B) OR (A AND C)?

Associative law
Commutative law
Distributive law (Correct answer)
De Morgan's law

Correct answer: Distributive law

The distributive law allows AND to distribute over OR and vice versa.

Question 47: What is the result of shifting the binary number 0110 one position to the left?

0111
1110
0011
1100 (Correct answer)

Correct answer: 1100

A left shift by 1 moves all bits left and fills the rightmost bit with 0, giving 1100.

Question 48: How many hours did Maria work last week? (1) Maria earned $480 last week. (2) Maria earns $12 per hour.

Neither statement alone nor both together are sufficient
Statement 2 alone is sufficient
Both statements together are sufficient, but neither alone is sufficient (Correct answer)
Statement 1 alone is sufficient

Correct answer: Both statements together are sufficient, but neither alone is sufficient

Dividing total earnings ($480) by hourly rate ($12) gives 40 hours; neither piece alone is sufficient.

Question 49: What comes next: 9, 16, 25, 36, 49, ___?

64 (Correct answer)
60
63
56

Correct answer: 64

These are perfect squares starting at 3² (9=3², 16=4², …), so the next is 8² = 64.

Question 50: FAWN : DEER :: FOAL : ___

Horse (Correct answer)
Goat
Donkey
Cow

Correct answer: Horse

A fawn is a young deer; a foal is a young horse.

Question 51: A passage reads: 'Throughput measures the amount of work a system completes in a given time period, while response time measures how long the system takes to reply to a single request. These two metrics can sometimes conflict.' In which scenario do throughput and response time MOST clearly conflict?

A system upgrades its hardware, improving both throughput and response time simultaneously
A system reduces its workload, causing both throughput and response time to decrease proportionally
A system batches 1,000 requests together to maximize throughput, causing each individual user to wait several minutes for a response (Correct answer)
A system processes one request per second with a one-second response time

Correct answer: A system batches 1,000 requests together to maximize throughput, causing each individual user to wait several minutes for a response

Batching boosts throughput by processing many requests together but forces individual users to wait longer, directly illustrating the conflict between the two metrics.

Question 52: A figure is reflected across a vertical axis and then rotated 180°. Which single transformation produces the same result?

Reflection across a horizontal axis (Correct answer)
Reflection across a diagonal axis
Translation to the right
Rotation of 90° clockwise

Correct answer: Reflection across a horizontal axis

A vertical reflection followed by a 180° rotation is equivalent to a horizontal reflection.

Question 53: Which of the following can be utilized in an online computer system to verify that users have the right authorization to carry out a task?

Control totals
Passwords (Correct answer)
Limit tests
Check digits

Correct answer: Passwords

Passwords are a fundamental security control used to verify a user's identity and determine their authorization levels within a computer system. By requiring a unique password, the system ensures that only authenticated users can access specific functions or data, thereby controlling who can carry out a task.

Question 54: In a flowchart, what shape is typically used to represent a decision point?

Parallelogram
Rectangle
Oval
Diamond (Correct answer)

Correct answer: Diamond

A diamond shape in a flowchart represents a decision point where the flow branches based on a yes/no or true/false condition.

Question 55: The first figure is to the second figure as the third figure is to which answer choice? Figure 1: A large square contains a single, small, black-filled circle in the upper-left corner. Figure 2: The same large square contains two small, black-filled circles in the lower-right corner. Figure 3: A large square contains a single, small, unfilled triangle in the upper-right corner.

A large square containing a single, small, unfilled triangle in the lower-left corner.
A large square containing two small, unfilled triangles in the lower-left corner. (Correct answer)
A large square containing two small, unfilled triangles in the upper-right corner.
A large square containing two small, black-filled triangles in the lower-left corner.

Correct answer: A large square containing two small, unfilled triangles in the lower-left corner.

The transformation rule is twofold: the inner shape moves to the diagonally opposite corner, and its quantity doubles. Applying this to Figure 3, the single triangle in the upper-right corner must move to the lower-left corner and become two triangles. The shading (unfilled) remains the same.

Question 56: If the average of six numbers is 15, what is their sum?

21
90 (Correct answer)
9
15

Correct answer: 90

Sum = average × count = 15 × 6 = 90.

Question 57: A pattern shows circles of increasing size: diameter 1, 2, 4, 8. What is the diameter of the 6th circle?

24
32 (Correct answer)
64
16

Correct answer: 32

The diameters double each step: 1, 2, 4, 8, 16, 32; the 6th circle has diameter 32.

Question 58: Which number is next: 0.5, 1, 2, 4, 8, ___?

16 (Correct answer)
12
18
14

Correct answer: 16

Each term is multiplied by 2, so 8 × 2 = 16.

Question 59: Solve for y: 2y/3 = 10

y = 12
y = 20
y = 6
y = 15 (Correct answer)

Correct answer: y = 15

Multiply both sides by 3/2 to isolate y: y = 10 × (3/2) = 15.

Question 60: Identify the next number: 2, 6, 18, 54, ___?

108
144
216
162 (Correct answer)

Correct answer: 162

Each term is multiplied by 3, so 54 × 3 = 162.

Question 61: What is the minimum number of NAND gates needed to implement a NOT gate?

2
4
3
1 (Correct answer)

Correct answer: 1

A NAND gate with both inputs tied together acts as a NOT gate.

Question 62: A flowchart shows: Start → Set Sum=0, Count=0 → Read Number → Sum = Sum + Number → Count = Count + 1 → Is Count < 5? (Yes → Read Number) (No → Print Sum/Count) → End. What does this flowchart compute?

The sum of 5 numbers
The maximum of 5 numbers
The product of 5 numbers
The average of 5 numbers (Correct answer)

Correct answer: The average of 5 numbers

The flowchart sums 5 numbers and divides by the count (5), which computes the average.

Question 63: A storage array holds 8 terabytes. It is currently 62.5% full. How many gigabytes of free space remain?

3,200
2,800
3,000 (Correct answer)
5,000

Correct answer: 3,000

8 TB = 8,000 GB; used = 8,000 × 0.625 = 5,000 GB; free = 8,000 − 5,000 = 3,000 GB.

Question 64: A 3x3 grid contains figures that follow a pattern, but one figure is missing. Each row and each column must contain exactly one of each shape (circle, square, triangle) and one of each shading (solid, striped, unfilled). Based on the visible figures, which figure should be in the bottom-right cell? Row 1: [Solid Circle], [Striped Square], [Unfilled Triangle] Row 2: [Striped Triangle], [Unfilled Circle], [Solid Square] Row 3: [Unfilled Square], [Solid Triangle], [ ? ]

A striped circle (Correct answer)
A solid triangle
An unfilled circle
A striped square

Correct answer: A striped circle

To solve this, we must satisfy the rules for both shape and shading. In Row 3, we already have a square and a triangle, so the missing shape must be a circle. In the third column, we have an unfilled figure and a solid figure, so the missing shading must be striped. Combining these deductions, the missing figure is a striped circle.

Question 65: Which logic gate outputs 1 only when both inputs are 1?

AND (Correct answer)
OR
XOR
NAND

Correct answer: AND

The AND gate outputs 1 only when all inputs are 1.

Question 66: In the following flowchart logic: If A=1 AND B=1 then output 'Both True', else output 'Not Both'. What is the output when A=1 and B=0?

Error
Both True
No output
Not Both (Correct answer)

Correct answer: Not Both

The AND condition requires both A=1 and B=1; since B=0, the condition is false and 'Not Both' is output.

Question 67: A rectangular data center floor has a specific footprint. What is the perimeter of the floor in meters? (1) The area of the floor is 48 square meters. (2) The diagonal length of the floor is 10 meters.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. (Correct answer)
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient to answer the question.

Correct answer: BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

Let L be length and W be width. The perimeter is 2(L+W). Statement (1) gives L*W = 48. This is not sufficient, as the dimensions could be 6x8 (perimeter 28) or 4x12 (perimeter 32). Statement (2) gives L^2 + W^2 = 10^2 = 100 (from Pythagorean theorem). This is also not sufficient. Combining both, we have a system of two unique equations with two variables: L*W=48 and L^2+W^2=100. We can solve this system to find unique values for L and W (which are 6 and 8), and thus find a unique perimeter.

Question 68: Two identical right triangles are placed together along their hypotenuses. What shape is always formed?

A trapezoid
A square
A parallelogram
A rectangle (Correct answer)

Correct answer: A rectangle

Two congruent right triangles joined at their hypotenuses always form a rectangle.

Question 69: A table shows quarterly server uptime percentages: Q1=99.1%, Q2=98.7%, Q3=99.4%, Q4=97.8%. What is the average uptime across all four quarters?

99.25%
98.50%
98.75% (Correct answer)
99.00%

Correct answer: 98.75%

Sum the four values (99.1+98.7+99.4+97.8=395.0) and divide by 4 to get 98.75%.

Question 70: A regional sales table shows: North=800 units, South=400 units, East=600 units, West=200 units. What is the ratio of North region sales to West region sales?

3:1
5:1
4:1 (Correct answer)
2:1

Correct answer: 4:1

North : West = 800 : 200 = 4 : 1.

Question 71: In a pattern sequence, each frame adds two more identical shapes than the previous frame. Frame 1 has 1 shape, Frame 2 has 3 shapes. How many shapes are in Frame 6?

13
15
17
11 (Correct answer)

Correct answer: 11

Frame n has 2n − 1 shapes; Frame 6 = 2(6) − 1 = 11 shapes.

Question 72: Which binary number equals decimal 13?

1110
1101 (Correct answer)
1001
1011

Correct answer: 1101

1101 in binary = 8+4+0+1 = 13 in decimal.

Question 73: Shape A has a white background with a black triangle. Shape B has a black background with a white triangle. Shape C has a white background with a black circle. Shape D is:

A black background with a white circle (Correct answer)
A white background with a white circle
A black background with a black circle
A gray background with a black circle

Correct answer: A black background with a white circle

The figure-ground inversion swaps foreground and background colors consistently.

Question 74: A large circle contains a small triangle inside it. The next figure shows the circle with the triangle removed but a small square added outside. Which transformation rule applies?

Both shapes doubled in size
Inner shape removed, outer shape gains an external attachment (Correct answer)
Shapes swap positions entirely
Inner shape moves to the border

Correct answer: Inner shape removed, outer shape gains an external attachment

The transformation removes the internal element and places a new, different shape outside the original figure.

Question 75: Which inequality is satisfied by x = -3?

x - 2 > 0
3x + 5 < -1 (Correct answer)
2x + 1 > -4
x + 4 > 2

Correct answer: 3x + 5 < -1

3(-3) + 5 = -9 + 5 = -4, and -4 < -1 is true.

Question 76: Given the first pair of figures, select the figure that completes the second pair. Figure 1: A large pentagon containing a small, unshaded star above a small, shaded circle. Figure 2: The large pentagon now contains only the small star, which is now shaded. Figure 3: A large triangle containing a small, shaded square to the left of a small, unshaded diamond.

A large triangle containing only the small, unshaded diamond.
A large triangle containing only the small, unshaded diamond, which is now shaded. (Correct answer)
A large triangle containing only the small, shaded square, which is now unshaded.
A large triangle containing only the small, shaded square.

Correct answer: A large triangle containing only the small, unshaded diamond, which is now shaded.

The transformation rule is: the second small shape inside the large figure is removed, and its property (shading) is transferred to the first small shape. In Figure 1, the circle is removed, and its 'shaded' property is given to the star. In Figure 3, the square is removed, and its 'shaded' property is transferred to the diamond.

Question 77: Shape A is a circle with one horizontal line through its center. Shape B is a circle with two horizontal lines through its center. Shape C is a square with one horizontal line. Shape D is:

A rectangle with one line
A square with two horizontal lines (Correct answer)
A square with one vertical line
A circle with two lines

Correct answer: A square with two horizontal lines

The number of lines increases by one in the A→B pair, so the same increase applies to C→D.

Question 78: A NAND gate with inputs A=1 and B=1 outputs:

2
1
0 (Correct answer)
Undefined

Correct answer: 0

NAND is the inverse of AND; since 1 AND 1 = 1, NOT(1) = 0.

Question 79: The ratio of encrypted files to unencrypted files on a drive is 5 to 3. If there are a total of 2,400 files on the drive, which of the following represents the number of encrypted files?

1,200
1,600
1,500 (Correct answer)
900

Correct answer: 1,500

The ratio of encrypted to unencrypted files is 5:3. This means there are 5+3 = 8 total parts in the ratio. To find the value of one part, divide the total number of files by the total number of parts: 2,400 files / 8 parts = 300 files per part. The number of encrypted files corresponds to 5 parts of the ratio. So, multiply the value of one part by 5: 300 * 5 = 1,500 encrypted files.

Question 80: A pattern alternates between a shape rotated 0° and the same shape rotated 90°. The sequence starts: 0°, 90°, 0°, 90°. What rotation appears at position 7?

180°
0° (Correct answer)
45°
90°

Correct answer: 0°

Odd positions are 0° and even positions are 90°; position 7 is odd, so the answer is 0°.

Question 81: What is the missing number: 15, 30, ___, 120, 240?

75
50
45
60 (Correct answer)

Correct answer: 60

Each term is doubled, so 30 × 2 = 60.

Question 82: What continues the sequence: 1, 3, 7, 13, 21, ___?

31 (Correct answer)
27
33
29

Correct answer: 31

The differences between terms increase by 2 each time (2, 4, 6, 8, 10), so 21 + 10 = 31.

Question 83: Which number completes the sequence: 3, 9, 27, 81, ___?

189
324
162
243 (Correct answer)

Correct answer: 243

Each term is multiplied by 3, so 81 × 3 = 243.

Question 84: Shape A: a circle with an X drawn inside it. Shape B: a circle with a plus (+) drawn inside it. The lines in the X were rotated 45 degrees to create the +. A square with an X inside becomes:

A square with diagonal lines removed
A square with an X rotated 90 degrees
A circle with an X inside
A square with a plus (+) inside (Correct answer)

Correct answer: A square with a plus (+) inside

The 45-degree rotation of the internal line pattern applies to the square the same way it applied to the circle.

Question 85: A backup job runs every 6 hours. How many backups are created in one week?

32
42
28 (Correct answer)
24

Correct answer: 28

24 hours ÷ 6 = 4 per day; 4 × 7 = 28 backups per week.

Question 86: A table shows records processed per batch: Batch 1=1,200, Batch 2=950, Batch 3=1,450, Batch 4=800, Batch 5=1,100. Which two consecutive batches have the smallest combined total?

Batch 3 and Batch 4
Batch 4 and Batch 5 (Correct answer)
Batch 2 and Batch 3
Batch 1 and Batch 2

Correct answer: Batch 4 and Batch 5

Batch 4+5 = 800+1100 = 1900, which is less than any other consecutive pair sum.

Question 87: What is the two's complement representation of -6 in an 8-bit system?

10000110
11111001
11111010 (Correct answer)
01111010

Correct answer: 11111010

+6 is 00000110; inverting gives 11111001, and adding 1 gives 11111010.

Question 88: In a group of 50 network engineers, how many are certified in both Cisco (CCNA) and Juniper (JNCIA)? (1) 35 engineers are certified in CCNA. (2) 10 engineers in the group are certified in neither CCNA nor JNCIA.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient to answer the question. (Correct answer)
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

Correct answer: Statements (1) and (2) TOGETHER are NOT sufficient to answer the question.

Let C be CCNA certified, J be JNCIA certified, and B be both. The formula for overlapping sets is Total = C + J - B + Neither. Statement (1) gives C=35, so 50 = 35 + J - B + Neither. There are too many unknowns. Statement (2) gives Neither=10, so 50 = C + J - B + 10, or 40 = C + J - B. This is also not sufficient. Combining the two statements gives us 40 = 35 + J - B. We still have two unknowns (J and B) and cannot solve for the number certified in both.

Question 89: A technician earns $28 per hour and works 37.5 hours per week. What is the weekly gross pay?

$980
$1,120
$1,050 (Correct answer)
$1,000

Correct answer: $1,050

$28 × 37.5 = $1,050.

Question 90: On a server rack, there are four servers: A, B, C, and D. Their status lights can be green, yellow, or red. From the following conditions, determine the color of Server C's light: 1. If Server A's light is green, then Server B's light is yellow. 2. Server D's light is red. 3. If Server B's light is yellow, then Server C's light is the same color as Server D's. 4. Server A's light is green.

Cannot be determined
Yellow
Green
Red (Correct answer)

Correct answer: Red

This is a chain of conditional statements. From condition 4, we know Server A's light is green. According to condition 1, if A is green, then B must be yellow. Now we know B is yellow. According to condition 3, if B is yellow, then C's light is the same color as D's. From condition 2, we know D's light is red. Therefore, Server C's light must be red.

Question 91: What does the term 'throughput' measure in computing?

The number of cores in a CPU
The amount of work completed in a given time period (Correct answer)
The maximum data a bus can carry at once
The speed of a single instruction

Correct answer: The amount of work completed in a given time period

Throughput measures total work output (e.g., transactions or jobs completed) per unit of time.

Question 92: An employee's daily work hours are recorded: Mon=8, Tue=7.5, Wed=9, Thu=8, Fri=7. What is the total number of hours worked that week?

40.0
39.0
38.5
39.5 (Correct answer)

Correct answer: 39.5

8 + 7.5 + 9 + 8 + 7 = 39.5 hours total for the week.

Question 93: A grid of shapes follows the rule: each row adds one side to the shape. Row 1 has triangles, Row 2 has squares. What shape appears in Row 3?

Pentagons (Correct answer)
Circles
Hexagons
Triangles

Correct answer: Pentagons

Each row adds one side: triangle (3) → square (4) → pentagon (5).

Question 94: Which symbol represents the START or END of a flowchart?

Parallelogram
Rectangle
Diamond
Oval/Rounded rectangle (Correct answer)

Correct answer: Oval/Rounded rectangle

Ovals or rounded rectangles (terminals) mark the beginning and end points of a flowchart.

Question 95: What is the y-intercept of the equation 3x - 2y = 12?

y = 4
y = 6
y = -4
y = -6 (Correct answer)

Correct answer: y = -6

Set x = 0: -2y = 12, so y = -6.

Question 96: Which type of error occurs when a program runs but produces incorrect results due to a logic mistake?

Compile error
Runtime error
Syntax error
Logic error (Correct answer)

Correct answer: Logic error

A logic error occurs when code runs without crashing but produces wrong results because the algorithm or formula is flawed.

Question 97: A flowchart has two parallel branches that both must complete before proceeding. This construct is best described as:

A sequential process
A conditional branch
A parallel or concurrent process (Correct answer)
A recursive loop

Correct answer: A parallel or concurrent process

Parallel branches represent concurrent processing where multiple paths execute simultaneously before merging.

Question 98: A computer program runs in T seconds. Is T < 5? (1) T is greater than 3. (2) T is less than 4.

Both statements together are sufficient, but neither alone is sufficient
Statement 2 alone is sufficient (Correct answer)
Statement 1 alone is sufficient
Either statement alone is sufficient

Correct answer: Statement 2 alone is sufficient

If T < 4, then T is definitely less than 5; statement 1 alone cannot confirm T < 5.

Question 99: Identify the next number: 64, 32, 16, 8, 4, ___?

0
2 (Correct answer)
3
1

Correct answer: 2

Each term is halved, so 4 ÷ 2 = 2.

Question 100: A pattern shows: large circle, small square, large circle, small square. The next shape added is a large triangle. What is the most likely rule being introduced?

Size alternates only
Shape cycles through three types while size stays large (Correct answer)
The pattern resets
Shape alternates between two types while size decreases

Correct answer: Shape cycles through three types while size stays large

Adding a large triangle suggests the pattern now cycles through circle, square, triangle while maintaining large size.

Question 101: An analyst earns a 12% annual raise. If the current salary is $62,500, what will it be after the raise?

$7,500
$69,250
$74,500
$70,000 (Correct answer)

Correct answer: $70,000

$62,500 × 1.12 = $70,000.

Question 102: PESSIMIST : DOOM :: OPTIMIST : ___

Joy
Luck
Hope (Correct answer)
Cheer

Correct answer: Hope

A pessimist anticipates doom; an optimist anticipates hope.

Question 103: A process scheduler uses this rule: if a job has waited more than 5 seconds, it jumps to the front. Job A waited 3 s, Job B waited 6 s, Job C waited 2 s, Job D waited 7 s. In what order do they run?

B, C, D, A
D, B, A, C (Correct answer)
B, D, A, C
A, B, C, D

Correct answer: D, B, A, C

Jobs B and D have waited over 5 s and jump to front; D > B by wait time, giving order D, B, then remaining A, C by arrival.

Question 104: What is the result of the Boolean expression: NOT (A AND B) when A=1 and B=0?

B
1 (Correct answer)
0
A

Correct answer: 1

A AND B = 1 AND 0 = 0, and NOT 0 = 1.

Question 105: 3D settings that are simulated and enable interaction and exploration.

Virtual schools
Simulation games
Virtual reality (Correct answer)
Augmented reality

Correct answer: Virtual reality

Virtual reality (VR) creates a simulated 3D environment that users can interact with and explore, often through specialized headsets. This immersive experience can mimic real-world settings or entirely fictional ones, allowing for deep engagement and exploration within the digital space. The key characteristics are the simulated 3D settings, interaction, and exploration capabilities.

Question 106: In binary arithmetic, what is the result of 1011 + 0110?

10001 (Correct answer)
11001
10010
10100

Correct answer: 10001

1011 (11) + 0110 (6) = 10001 (17) in binary.

Question 107: If the statement 'If the server is overloaded, alerts fire' is true, and no alerts have fired, what can you deduce?

The server might be overloaded
The server is not overloaded (Correct answer)
The server is overloaded
Alerts may still fire later

Correct answer: The server is not overloaded

By contrapositive, if no alerts fired then the server is not overloaded.

Question 108: In a logic puzzle, exactly one of the three statements is true: (1) 'A is the hacker.' (2) 'B is not the hacker.' (3) 'C is the hacker.' If A is actually the hacker, which statements are true?

Only Statement 2
Only Statement 1 (Correct answer)
Statements 1 and 2
Statements 1 and 3

Correct answer: Only Statement 1

If A is the hacker: Statement 1 is true, Statement 2 ('B is not the hacker') is also true—but exactly one must be true, so this scenario is inconsistent; re-checking: only Statement 1 holds when A is the hacker and Statement 2 becomes true only if B ≠ hacker (also true), so exactly one true is violated—the puzzle answer for 'which is true if A is the hacker' is Statements 1 and 2, but since only one can be true, the correct single true statement is Statement 1.

Question 109: A script runs in 45 seconds. After optimization it runs 40% faster. What is the new runtime?

25 seconds
63 seconds
18 seconds
27 seconds (Correct answer)

Correct answer: 27 seconds

40% of 45 = 18 seconds saved; 45 − 18 = 27 seconds.

Question 110: An internet connection downloads at 50 Mbps. A company downloads 18,000 MB of data. How many minutes does the download take?

360
300
6 (Correct answer)
3

Correct answer: 6

Time in seconds = 18,000 MB ÷ 50 Mbps = 360 seconds = 6 minutes.

Question 111: Identify the next value: 81, 27, 9, 3, ___?

1 (Correct answer)
6
0
2

Correct answer: 1

Each term is divided by 3, so 3 ÷ 3 = 1.

Question 112: Which of the following is a characteristic of a stack data structure?

First In, First Out (FIFO)
Last In, First Out (LIFO) (Correct answer)
Elements sorted automatically
Random access to any element

Correct answer: Last In, First Out (LIFO)

A stack follows Last In, First Out (LIFO) order — the most recently added element is removed first.

Question 113: What is the primary function of the process depicted in the following flowchart description? 1) Start. 2) Set variable 'Sum' = 0. 3) Set variable 'Count' = 1. 4) Add 'Count' to 'Sum'. 5) Add 1 to 'Count'. 6) Is 'Count' <= 10? 7) If YES, loop back to step 4. 8) If NO, Output 'Sum'. 9) End.

To check if the number 10 is prime
To output the number 10
To calculate the factorial of 10
To find the sum of the first 10 positive integers (Correct answer)

Correct answer: To find the sum of the first 10 positive integers

The flowchart initializes a 'Sum' and then repeatedly adds the value of a 'Count' variable (which goes from 1 to 10) to it. This process is the standard algorithm for calculating the sum of the integers from 1 to 10.

Question 114: ? * 8 / 2 = 116

16
37
32
29 (Correct answer)

Correct answer: 29

To solve the equation ? * 8 / 2 = 116, first simplify the division: 8 / 2 = 4. The equation then becomes ? * 4 = 116. To find the unknown, divide 116 by 4. Therefore, ? = 116 / 4 = 29. The missing number is 29.

Question 115: Is rectangle ABCD a square? (1) AB = BC. (2) The diagonal of ABCD is 10.

Statement 1 alone is sufficient (Correct answer)
Statement 2 alone is sufficient
Neither statement alone nor both together are sufficient
Both statements together are sufficient, but neither alone is sufficient

Correct answer: Statement 1 alone is sufficient

In a rectangle, if two adjacent sides are equal (AB = BC), all sides are equal, making it a square.

Question 116: Which of the following best describes a computer network topology where every device connects to a central hub?

Star topology (Correct answer)
Ring topology
Mesh topology
Bus topology

Correct answer: Star topology

In a star topology, all devices connect to a central switch or hub; if the hub fails the entire network goes down.

Question 117: A log file grows by 3.5 MB per day. How large will it be after 4 weeks if it starts at 0 MB?

91 MB
112 MB
84 MB
98 MB (Correct answer)

Correct answer: 98 MB

4 weeks = 28 days; 28 × 3.5 = 98 MB.

Question 118: If 3x - 7 = 2x + 5, what is the value of x?

2
8
12 (Correct answer)
-2

Correct answer: 12

Subtract 2x from both sides to get x - 7 = 5, then add 7 to get x = 12.

Question 119: Find the missing term: 100, 90, 81, 73, 66, ___?

61
60 (Correct answer)
58
59

Correct answer: 60

The differences decrease by 1 each step (10, 9, 8, 7, 6), so 66 − 6 = 60.

Question 120: What is 1010 XOR 1100 in binary?

0111
0010
0110 (Correct answer)
1110

Correct answer: 0110

XOR compares bit-by-bit: 1^1=0, 0^1=1, 1^0=1, 0^0=0, giving 0110.

EDPT Exam

The Electronic Data Processing Test (EDPT) is a U.S. Air Force aptitude exam used to qualify candidates for technical AFSCs including computer programming, technical applications (9S100), and cyber warfare (1B4X1). It measures reasoning and problem-solving ability across four subtests.

120

Questions

90 min

Time Limit

60%

To Pass

Checking for saved progress...

Exam Rules

You can skip questions and return to them later
Flag questions for review before submitting
No feedback shown until you submit the entire exam
Unanswered questions count as wrong — answer everything
10 pretest questions are mixed in and don't affect your score
Timer auto-submits when time runs out
Your progress is auto-saved every 30 seconds