Civil Service Exam Reviewer · Basic Operations · medium

Evaluate: 14 + 3 × (20 − 5) ÷ 5

1. 23
2. 51
3. 59
4. 73

Answer

A. 23

Solution

Parentheses: 20 − 5 = 15. Then 3 × 15 = 45, ÷ 5 = 9. Finally 14 + 9 = 23.

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1. Evaluate: √196 + √225
2. What is the least common multiple (LCM) of 11 and 4?
3. What is the greatest common factor (GCF) of 70 and 84?
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6. Divide: 24.6 ÷ 0.6
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9. Evaluate: 24 + 5 × (15 − 7) ÷ 2
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