Ratio and Proportion MCQs
Practice Ratio and Proportion MCQs with answers and detailed explanations. Learn ratio comparison, proportion concepts, direct proportion, inverse proportion, partnership, sharing, ages and quantitative aptitude problems through multiple choice questions designed for SSC, Railway, Banking, UPSC, JKSSB, Police, Teaching and other competitive exams.
Question #1
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Milk and water are in ratio 5:7 in a 476 L mixture. Quantity of milk?
Correct Answer: Option B
Explanation:
Total parts = 12. Milk = [5 / (5+7)] × 476 = 198 L.
Total parts = 12. Milk = [5 / (5+7)] × 476 = 198 L.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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If a:b = 3:3 and b:c = 3:10, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 3:3, b:c = 3:10 ⇒ a:b:c = 3:3:10.
Combine ratios: a:b = 3:3, b:c = 3:10 ⇒ a:b:c = 3:3:10.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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If a:b = 8:9 and b:c = 9:8, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 8:9, b:c = 9:8 ⇒ a:b:c = 8:9:8.
Combine ratios: a:b = 8:9, b:c = 9:8 ⇒ a:b:c = 8:9:8.
This question belongs to:
Maths
Ratio and Proportion
Question #4
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Two numbers are in the ratio 7:8 and their sum is 572. Find the numbers.
Correct Answer: Option D
Explanation:
Numbers = 7k and 8k. 7k + 8k = 572 ⇒ k = 38. Thus, numbers are 266 and 304.
Numbers = 7k and 8k. 7k + 8k = 572 ⇒ k = 38. Thus, numbers are 266 and 304.
This question belongs to:
Maths
Ratio and Proportion
Question #5
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If a:b = 4:5 and b:c = 5:6, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 4:5, b:c = 5:6 ⇒ a:b:c = 4:5:6.
Combine ratios: a:b = 4:5, b:c = 5:6 ⇒ a:b:c = 4:5:6.
This question belongs to:
Maths
Ratio and Proportion
Question #6
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If a:b = 4:9 and b:c = 9:10, then a:b:c = ?
Correct Answer: Option C
Explanation:
Combine ratios: a:b = 4:9, b:c = 9:10 ⇒ a:b:c = 4:9:10.
Combine ratios: a:b = 4:9, b:c = 9:10 ⇒ a:b:c = 4:9:10.
This question belongs to:
Maths
Ratio and Proportion
Question #7
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Two numbers are in the ratio 8:6 and their sum is 434. Find the numbers.
Correct Answer: Option A
Explanation:
Numbers = 8k and 6k. 8k + 6k = 434 ⇒ k = 31. Thus, numbers are 248 and 186.
Numbers = 8k and 6k. 8k + 6k = 434 ⇒ k = 31. Thus, numbers are 248 and 186.
This question belongs to:
Maths
Ratio and Proportion
Question #8
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If a:b = 7:3 and b:c = 3:8, then a:b:c = ?
Correct Answer: Option B
Explanation:
Combine ratios: a:b = 7:3, b:c = 3:8 ⇒ a:b:c = 7:3:8.
Combine ratios: a:b = 7:3, b:c = 3:8 ⇒ a:b:c = 7:3:8.
This question belongs to:
Maths
Ratio and Proportion
Question #9
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Two numbers are in the ratio 5:3 and their sum is 590. Find the numbers.
Correct Answer: Option B
Explanation:
Numbers = 5k and 3k. 5k + 3k = 590 ⇒ k = 73. Thus, numbers are 365 and 219.
Numbers = 5k and 3k. 5k + 3k = 590 ⇒ k = 73. Thus, numbers are 365 and 219.
This question belongs to:
Maths
Ratio and Proportion
Question #10
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Milk and water are in ratio 3:4 in a 437 L mixture. Quantity of milk?
Correct Answer: Option B
Explanation:
Total parts = 7. Milk = [3 / (3+4)] × 437 = 187 L.
Total parts = 7. Milk = [3 / (3+4)] × 437 = 187 L.
This question belongs to:
Maths
Ratio and Proportion
