Milk and water are in ratio 9:4 in a 207 L mixture. Quantity of milk? MCQ with Answer and Explanation

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Milk and water are in ratio 9:4 in a 207 L mixture. Quantity of milk?

A. 64 L

B. 143 L

C. 286 L

D. 176 L

Answer: Option B

Solution (By JKSSB Mock Tests)

Total parts = 13. Milk = [9 / (9+4)] × 207 = 143 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 7:8. After 11 years, the ratio becomes 8:9. Present age of A is?

A. 119 years

B. 131 years

C. 252 years

D. 126 years

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Correct Answer: Option D

Explanation:
Let ages 7k and 8k. Then (7k + 11)/(8k + 11) = 8/9. Solving gives k ≈ 18, age of A = 7*18 = 126.

This question belongs to: Maths Ratio and Proportion

Question #2

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Milk and water are in ratio 6:2 in a 184 L mixture. Quantity of milk?

A. 159 L

B. 276 L

C. 138 L

D. 46 L

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Correct Answer: Option C

Explanation:
Total parts = 8. Milk = [6 / (6+2)] × 184 = 138 L.

This question belongs to: Maths Ratio and Proportion

Question #3

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If a:b = 5:8 and b:c = 8:9, then a:b:c = ?

A. 10:16:18

B. 5:9:9

C. 4:8:10

D. 5:8:9

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 5:8, b:c = 8:9 ⇒ a:b:c = 5:8:9.

This question belongs to: Maths Ratio and Proportion

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