Milk and water are in ratio 3:7 in a 391 L mixture. Quantity of milk? MCQ with Answer and Explanation

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Milk and water are in ratio 3:7 in a 391 L mixture. Quantity of milk?

A. 117 L

B. 274 L

C. 153 L

D. 234 L

Answer: Option A

Solution (By JKExamLibrary)

Total parts = 10. Milk = [3 / (3+7)] × 391 = 117 L.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1 Report Error

Find the mean proportional between 7 and 9.

A. 10

B. 14

C. 7

D. 16

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Correct Answer: Option C

Explanation:
Mean proportional = √(7 × 9) = √(63) = 7.

This question belongs to: Maths Ratio and Proportion

Question #2 Report Error

If a:b = 5:8 and b:c = 8:6, then a:b:c = ?

A. 5:9:6

B. 4:8:7

C. 5:8:6

D. 10:16:12

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 5:8, b:c = 8:6 ⇒ a:b:c = 5:8:6.

This question belongs to: Maths Ratio and Proportion

Question #3 Report Error

If a:b = 5:8 and b:c = 8:11, then a:b:c = ?

A. 5:9:11

B. 4:8:12

C. 10:16:22

D. 5:8:11

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 5:8, b:c = 8:11 ⇒ a:b:c = 5:8:11.

This question belongs to: Maths Ratio and Proportion

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