Milk and water are in ratio 9:6 in a 275 L mixture. Quantity of milk? MCQ with Answer and Explanation

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Milk and water are in ratio 9:6 in a 275 L mixture. Quantity of milk?

A. 165 L

B. 186 L

C. 330 L

D. 110 L

Answer: Option A

Solution (By JKSSB Mock Tests)

Total parts = 15. Milk = [9 / (9+6)] × 275 = 165 L.

This question belongs to: Maths Ratio and Proportion

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Question #1

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Ratio of present ages of A and B is 6:4. After 5 years, the ratio becomes 9:7. Present age of A is?

A. 119 years

B. 228 years

C. 114 years

D. 108 years

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Correct Answer: Option C

Explanation:
Let ages 6k and 4k. Then (6k + 5)/(4k + 5) = 9/7. Solving gives k ≈ 19, age of A = 6*19 = 114.

This question belongs to: Maths Ratio and Proportion

Question #2

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

A. 1:6:11

B. 2:6:10

C. 2:7:10

D. 4:12:20

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Correct Answer: Option B

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

Question #3

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Milk and water are in ratio 5:7 in a 377 L mixture. Quantity of milk?

A. 157 L

B. 220 L

C. 199 L

D. 314 L

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Correct Answer: Option A

Explanation:
Total parts = 12. Milk = [5 / (5+7)] × 377 = 157 L.

This question belongs to: Maths Ratio and Proportion

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