Milk and water are in ratio 3:5 in a 587 L mixture. Quantity of milk? MCQ with Answer and Explanation

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Milk and water are in ratio 3:5 in a 587 L mixture. Quantity of milk?

A. 220 L

B. 367 L

C. 440 L

D. 248 L

Answer: Option A

Solution (By JKSSB Mock Tests)

Total parts = 8. Milk = [3 / (3+5)] × 587 = 220 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 5:7. After 9 years, the ratio becomes 6:10. Present age of A is?

A. 90 years

B. 40 years

C. 50 years

D. 45 years

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Correct Answer: Option D

Explanation:
Let ages 5k and 7k. Then (5k + 9)/(7k + 9) = 6/10. Solving gives k ≈ 9, age of A = 5*9 = 45.

This question belongs to: Maths Ratio and Proportion

Question #2

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Milk and water are in ratio 8:5 in a 369 L mixture. Quantity of milk?

A. 454 L

B. 248 L

C. 227 L

D. 142 L

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Correct Answer: Option C

Explanation:
Total parts = 13. Milk = [8 / (8+5)] × 369 = 227 L.

This question belongs to: Maths Ratio and Proportion

Question #3

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If a:b = 4:3 and b:c = 3:10, then a:b:c = ?

A. 4:4:10

B. 4:3:10

C. 8:6:20

D. 3:3:11

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Correct Answer: Option B

Explanation:
Combine ratios: a:b = 4:3, b:c = 3:10 ⇒ a:b:c = 4:3:10.

This question belongs to: Maths Ratio and Proportion

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