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. 234 L

D. 153 L

Answer: Option A

Solution (By JKSSB Mock Tests)

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

If a:b = 6:6 and b:c = 6:7, then a:b:c = ?

A. 6:6:7

B. 6:7:7

C. 5:6:8

D. 12:12:14

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 6:6, b:c = 6:7 ⇒ a:b:c = 6:6:7.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 3:10 and b:c = 10:11, then a:b:c = ?

A. 6:20:22

B. 2:10:12

C. 3:10:11

D. 3:11:11

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 3:10, b:c = 10:11 ⇒ a:b:c = 3:10:11.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 3:5 and b:c = 5:10, then a:b:c = ?

A. 2:5:11

B. 3:6:10

C. 6:10:20

D. 3:5:10

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 3:5, b:c = 5:10 ⇒ a:b:c = 3:5:10.

This question belongs to: Maths Ratio and Proportion

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