Milk and water are in ratio 9:2 in a 345 L mixture. Quantity of milk? MCQ with Answer and Explanation

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Milk and water are in ratio 9:2 in a 345 L mixture. Quantity of milk?

A. 303 L

B. 63 L

C. 282 L

D. 564 L

Answer: Option C

Solution (By JKSSB Mock Tests)

Total parts = 11. Milk = [9 / (9+2)] × 345 = 282 L.

This question belongs to: Maths Ratio and Proportion

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Question #1

Milk and water are in ratio 6:2 in a 401 L mixture. Quantity of milk?

A. 101 L

B. 300 L

C. 600 L

D. 345 L

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Correct Answer: Option B

Explanation:
Total parts = 8. Milk = [6 / (6+2)] × 401 = 300 L.

This question belongs to: Maths Ratio and Proportion

Question #2

Find the mean proportional between 28 and 14.

A. 42

B. 38

C. 22

D. 19

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Correct Answer: Option D

Explanation:
Mean proportional = √(28 × 14) = √(392) = 19.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 4:6 and b:c = 6:8, then a:b:c = ?

A. 4:7:8

B. 3:6:9

C. 4:6:8

D. 8:12:16

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 4:6, b:c = 6:8 ⇒ a:b:c = 4:6:8.

This question belongs to: Maths Ratio and Proportion

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