Practice 20 Percentages multiple-choice questions designed for CDAC CCAT exam preparation. Click "Show Answer" to reveal the correct option with detailed explanation.
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Correct Answer: B — 75
Let number be x. 15% of x = 45, so x = 300. 25% of 300 = 75.
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Correct Answer: C — 75%
Percentage = (60/80) × 100 = 75%.
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Correct Answer: C — 20%
Increase = 10. Percentage = (10/50) × 100 = 20%.
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Correct Answer: C — 4% decrease
Let x=100. After 20% increase: 120. After 20% decrease: 96. Net = 4% decrease.
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Correct Answer: C — 100
40% of 250 = (40/100) × 250 = 100.
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Correct Answer: C — 10%
Increase = 5000. Percentage = (5000/50000) × 100 = 10%.
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Correct Answer: B — 200
Let number = x. 60% of x = 120. x = 120 × 100/60 = 200.
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Correct Answer: B — ₹425
Discount = 15% of 500 = 75. SP = 500 - 75 = ₹425.
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Correct Answer: C — 4:5
If third = 100, first = 120, second = 150. Ratio = 120:150 = 4:5.
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Correct Answer: A — 20%
If B=100, A=125. B is less by 25 from 125. (25/125)×100 = 20%.
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Correct Answer: C — 4% decrease
Let number = 100. After 20% increase = 120. After 20% decrease = 120 × 0.8 = 96. Net change = 4% decrease.
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Correct Answer: A — 42%
70% voted, winner got 60% of 70% = 0.7 × 0.6 × 100 = 42%.
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Correct Answer: A — 20%
Reduction = (25/125) × 100 = 20%. Formula: r/(100+r) × 100.
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Correct Answer: B — 80%
Percentage = (60/75) × 100 = 80%.
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Correct Answer: C — 1% decrease
If P=100, after year 1 = 110, after year 2 = 110 × 0.9 = 99. Net = 1% decrease.
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Correct Answer: A — 2.25
15% of 100 = 15. 15% of 15 = 2.25.
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Correct Answer: B — 5:8
0.8A = 0.5B. A/B = 0.5/0.8 = 5/8. So A:B = 5:8.
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Correct Answer: C — 6.25% decrease
Let salary = 100. After 25% increase = 125. After 25% decrease = 125 × 0.75 = 93.75. Net = 6.25% decrease.
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Correct Answer: A — Ram
Ram: (456/600) × 100 = 76%. Shyam: (560/800) × 100 = 70%. Ram scored better.
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Correct Answer: B — 28%
Let total = 100. Boys = 60, Girls = 40. Boys passed = 12, Girls passed = 16. Total passed = 28%.