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

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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

Answer: Option A

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 3:6 and b:c = 6:12, then a:b:c = ?

A. 3:6:12

B. 3:7:12

C. 6:12:24

D. 2:6:13

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 3:6, b:c = 6:12 ⇒ a:b:c = 3:6:12.

This question belongs to: Maths Ratio and Proportion

Question #2

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

A. 6:7:8

B. 7:7:7

C. 7:8:7

D. 14:14:14

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Correct Answer: Option B

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

This question belongs to: Maths Ratio and Proportion

Question #3

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

A. 85 years

B. 90 years

C. 180 years

D. 95 years

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Correct Answer: Option B

Explanation:
Let ages 6k and 5k. Then (6k + 5)/(5k + 5) = 9/6. Solving gives k ≈ 15, age of A = 6*15 = 90.

This question belongs to: Maths Ratio and Proportion

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