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. 274 L

B. 234 L

C. 117 L

D. 153 L

Answer: Option C

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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Question #1

Milk and water are in ratio 4:3 in a 173 L mixture. Quantity of milk?

A. 75 L

B. 140 L

C. 98 L

D. 196 L

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Correct Answer: Option C

Explanation:
Total parts = 7. Milk = [4 / (4+3)] × 173 = 98 L.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 4:8 and b:c = 8:7, then a:b:c = ?

A. 3:8:8

B. 4:9:7

C. 8:16:14

D. 4:8:7

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 4:8, b:c = 8:7 ⇒ a:b:c = 4:8:7.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 6:5 and b:c = 5:4, then a:b:c = ?

A. 6:5:4

B. 12:10:8

C. 5:5:5

D. 6:6:4

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 6:5, b:c = 5:4 ⇒ a:b:c = 6:5:4.

This question belongs to: Maths Ratio and Proportion

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