Civil Service Exam Reviewer · Basic Operations · hard

Evaluate: 44 − [16 − (5 × 5 − 13)] ÷ 2

1. 42
2. 46
3. 20
4. 40

Answer

A. 42

Solution

Innermost: 5×5 − 13 = 12. Brackets: 16 − 12 = 4. ÷ 2 = 2. Then 44 − 2 = 42.

More Basic Operations questions

1. Evaluate: (−5) − (−8) × 5 + 4
2. Evaluate: 10² − 5³ + 8 × 5
3. Divide: 30.24 ÷ 0.72
4. Multiply: 5 × 8.09
5. Evaluate: (1/6) × (7/2) ÷ (3/2)
6. Subtract: 6 1/2 − 3 3/4
7. Add: 1/5 + 5/7
8. Evaluate: 35 + 3 × (30 − 6) ÷ 6
9. Evaluate: √36 + √16
10. What is the least common multiple (LCM) of 8 and 5?

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