Two numbers are in ratio 7:12. Their difference is 57. What is their sum? MCQ with Answer and Explanation
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Question #1
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If a:b = 5:8 and b:c = 8:11, then a:b:c = ?
Correct Answer: Option A
Explanation:
Combine ratios: a:b = 5:8, b:c = 8:11 ⇒ a:b:c = 5:8:11.
Combine ratios: a:b = 5:8, b:c = 8:11 ⇒ a:b:c = 5:8:11.
This question belongs to:
Maths
Ratio and Proportion
Question #2
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Milk and water are in ratio 8:6 in a 373 L mixture. Quantity of milk?
Correct Answer: Option D
Explanation:
Total parts = 14. Milk = [8 / (8+6)] × 373 = 213 L.
Total parts = 14. Milk = [8 / (8+6)] × 373 = 213 L.
This question belongs to:
Maths
Ratio and Proportion
Question #3
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If a:b = 4:5 and b:c = 5:4, then a:b:c = ?
Correct Answer: Option D
Explanation:
Combine ratios: a:b = 4:5, b:c = 5:4 ⇒ a:b:c = 4:5:4.
Combine ratios: a:b = 4:5, b:c = 5:4 ⇒ a:b:c = 4:5:4.
This question belongs to:
Maths
Ratio and Proportion
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