EDPT (Electronic Data Processing Test) Numerical Reasoning 4 — Questions and Answers
Question 1: If a database table has 12 columns and 850 rows, how many total cells does it contain?
- 10,200 (Correct answer)
- 8,500
- 1,020
- 1,200
Correct answer: 10,200
12 × 850 = 10,200 cells.
Question 2: A backup job runs every 6 hours. How many backups are created in one week?
- 28 (Correct answer)
- 24
- 42
- 32
Correct answer: 28
24 hours ÷ 6 = 4 per day; 4 × 7 = 28 backups per week.
Question 3: What is the hexadecimal equivalent of the decimal number 255?
- FF (Correct answer)
- FE
- EF
- F0
Correct answer: FF
255 = 15×16 + 15 = FF in hexadecimal.
Question 4: A system's CPU usage drops from 92% to 69%. By how many percentage points did it decrease?
- 23 (Correct answer)
- 25
- 21
- 33
Correct answer: 23
92 − 69 = 23 percentage points.
Question 5: Three servers handle a load in ratio 2:3:5. If the total load is 800 requests/sec, how many does the smallest server handle?
- 160 (Correct answer)
- 240
- 400
- 80
Correct answer: 160
Smallest share = 2/(2+3+5) × 800 = 2/10 × 800 = 160.
Question 6: A script runs in 45 seconds. After optimization it runs 40% faster. What is the new runtime?
- 27 seconds (Correct answer)
- 18 seconds
- 63 seconds
- 25 seconds
Correct answer: 27 seconds
40% of 45 = 18 seconds saved; 45 − 18 = 27 seconds.
Question 7: What is the result of 2^8?
- 256 (Correct answer)
- 128
- 512
- 64
Correct answer: 256
2^8 = 2×2×2×2×2×2×2×2 = 256.
EDPT (Electronic Data Processing Test) Numerical Reasoning 4
If a database table has 12 columns and 850 rows, how many total cells does it contain?