EDPT (Electronic Data Processing Test) Numerical Reasoning 5 — Questions and Answers
Question 1: A log file grows by 3.5 MB per day. How large will it be after 4 weeks if it starts at 0 MB?
- 98 MB (Correct answer)
- 84 MB
- 112 MB
- 91 MB
Correct answer: 98 MB
4 weeks = 28 days; 28 × 3.5 = 98 MB.
Question 2: If the median of the set {7, 12, x, 20, 25} is 15, what is the value of x?
- 15 (Correct answer)
- 13
- 17
- 14
Correct answer: 15
With 5 values in order, the middle (3rd) value must equal 15, so x = 15.
Question 3: A RAID-5 array uses 4 drives. What fraction of total capacity is used for parity?
- 1/4 (Correct answer)
- 1/3
- 1/2
- 3/4
Correct answer: 1/4
RAID-5 uses 1 drive's worth of space for parity regardless of array size; with 4 drives that is 1/4.
Question 4: An analyst earns a 12% annual raise. If the current salary is $62,500, what will it be after the raise?
- $70,000 (Correct answer)
- $74,500
- $69,250
- $7,500
Correct answer: $70,000
$62,500 × 1.12 = $70,000.
Question 5: A number is divisible by both 4 and 6. Which of the following must it also be divisible by?
- 12 (Correct answer)
- 8
- 24
- 3
Correct answer: 12
LCM(4,6) = 12, so any number divisible by both must be divisible by 12.
Question 6: A bar chart shows monthly server errors: Jan=40, Feb=55, Mar=35, Apr=50. What is the mean number of errors?
- 45 (Correct answer)
- 40
- 50
- 180
Correct answer: 45
(40+55+35+50) ÷ 4 = 180 ÷ 4 = 45.
Question 7: Memory addresses go from 0000 to FFFF in hexadecimal. How many unique addresses does this range contain?
- 65,536 (Correct answer)
- 65,535
- 4,096
- 16,384
Correct answer: 65,536
FFFF = 65,535; including 0000 gives 65,536 unique addresses.
EDPT (Electronic Data Processing Test) Numerical Reasoning 5
A log file grows by 3.5 MB per day.
How large will it be after 4 weeks if it starts at 0 MB?