If a:b = 5:6 and b:c = 6:11, then a:b:c = ? MCQ with Answer and Explanation
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Question #1
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If a:b = 6:7 and b:c = 7:10, then a:b:c = ?
Correct Answer: Option D
Explanation:
Combine ratios: a:b = 6:7, b:c = 7:10 ⇒ a:b:c = 6:7:10.
Combine ratios: a:b = 6:7, b:c = 7:10 ⇒ a:b:c = 6:7:10.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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Two numbers are in the ratio 12:9 and their sum is 569. Find the numbers.
Correct Answer: Option B
Explanation:
Numbers = 12k and 9k. 12k + 9k = 569 ⇒ k = 27. Thus, numbers are 324 and 243.
Numbers = 12k and 9k. 12k + 9k = 569 ⇒ k = 27. Thus, numbers are 324 and 243.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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Milk and water are in ratio 5:4 in a 536 L mixture. Quantity of milk?
Correct Answer: Option C
Explanation:
Total parts = 9. Milk = [5 / (5+4)] × 536 = 297 L.
Total parts = 9. Milk = [5 / (5+4)] × 536 = 297 L.
This question belongs to:
Maths
Ratio and Proportion
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