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. 234 L

B. 153 L

C. 117 L

D. 274 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 7:2 in a 488 L mixture. Quantity of milk?

A. 379 L

B. 399 L

C. 758 L

D. 109 L

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Correct Answer: Option A

Explanation:
Total parts = 9. Milk = [7 / (7+2)] × 488 = 379 L.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 8:10 and b:c = 10:10, then a:b:c = ?

A. 8:10:10

B. 16:20:20

C. 7:10:11

D. 8:11:10

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 8:10, b:c = 10:10 ⇒ a:b:c = 8:10:10.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 2:6 and b:c = 6:10, then a:b:c = ?

A. 2:6:10

B. 4:12:20

C. 1:6:11

D. 2:7:10

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 2:6, b:c = 6:10 ⇒ a:b:c = 2:6:10.

This question belongs to: Maths Ratio and Proportion

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