What is 15% of 240?
Correct answer: B. 36
- A. 30
- B. 36
- C. 42
- D. 48
Explanation
15% of 240 = (15 ÷ 100) × 240 = 36. A faster route in the exam hall: 10% of 240 is 24 and 5% is half of that, 12, so 15% is 24 + 12 = 36.
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About Percentages
Percentages express a quantity as parts per hundred and support calculations involving increases, decreases, discounts, commissions, taxes, and successive changes. Questions require distinguishing percentage change from percentage points and identifying the original value when a final value and its percentage change are given.
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