Simplify: 15 − 3 × (4 − 1)² ÷ 9
Correct answer: D. 12
Brackets first: (4 − 1) = 3. Then the exponent: 3² = 9. Then multiply and divide from left to right: 3 × 9 = 27, 27 ÷ 9 = 3. Finally 15 − 3 = 12.
medium
Answer and explanation
The correct answer is D. 12
Brackets first: (4 − 1) = 3. Then the exponent: 3² = 9. Then multiply and divide from left to right: 3 × 9 = 27, 27 ÷ 9 = 3. Finally 15 − 3 = 12.
Topic: Mixed Numerical Review MCQs · Subject: Numerical Ability