SSC CGL Simplification Verified Practice Test 1

1. Evaluate: 18 ÷ 3 × 2

• A. 3
• B. 6
• C. 12 (Correct)
• D. 18

Explanation: Proceed left to right after division and multiplication: 18 ÷ 3 = 6, then 6 × 2 = 12.

2. What is 25 - 5 × 3?

• A. 60
• B. 10 (Correct)
• C. 15
• D. 20

Explanation: Multiply first: 5 × 3 = 15, then 25 - 15 = 10.

3. 3/4 of 80 is:

• A. 50
• B. 55
• C. 60 (Correct)
• D. 65

Explanation: 3/4 × 80 = 60.

4. 0.25 × 100 =

• A. 2.5
• B. 25 (Correct)
• C. 250
• D. 0.025

Explanation: Multiplying by 100 moves the decimal two places right.

5. If 2/5 of a number is 18, the number is:

• A. 36
• B. 40
• C. 45 (Correct)
• D. 50

Explanation: Number = 18 × 5/2 = 45.

6. Approximate value of 19.98 + 10.02 is:

• A. 28
• B. 29
• C. 30 (Correct)
• D. 31

Explanation: 19.98 + 10.02 = 30.00 exactly.

7. 50% of 240 =

• A. 100
• B. 110
• C. 120 (Correct)
• D. 130

Explanation: 50% is one-half, and half of 240 is 120.

8. The average of 8, 12 and 16 is:

• A. 10
• B. 12 (Correct)
• C. 14
• D. 16

Explanation: Sum = 36, average = 36 ÷ 3 = 12.

9. Evaluate: 6 + [12 - {4 + 3}]

• A. 9
• B. 10
• C. 11 (Correct)
• D. 12

Explanation: {4 + 3} = 7, [12 - 7] = 5, and 6 + 5 = 11.

10. Evaluate: 24 / 6 + 5

• A. 7
• B. 8
• C. 9 (Correct)
• D. 10

Explanation: 24 / 6 = 4, then 4 + 5 = 9.

11. 25% of 320 is:

• A. 60
• B. 70
• C. 80 (Correct)
• D. 90

Explanation: 25% is one-fourth, and one-fourth of 320 is 80.

12. Evaluate: (18 - 6) / 3

• A. 2
• B. 3
• C. 4 (Correct)
• D. 6

Explanation: 18 - 6 = 12, then 12 / 3 = 4.

13. 2/3 of 54 is:

• A. 24
• B. 30
• C. 36 (Correct)
• D. 42

Explanation: 2/3 x 54 = 36.

14. Approximate value of 49.8 + 20.1 is:

• A. 68
• B. 69
• C. 70 (Correct)
• D. 71

Explanation: 49.8 + 20.1 = 69.9, approximately 70.

15. Cube root of 343 is:

• A. 5
• B. 6
• C. 7 (Correct)
• D. 8

Explanation: 7 x 7 x 7 = 343.