Milk and water are in ratio 5:7 in a 456 L mixture. Quantity of milk? MCQ with Answer and Explanation

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Milk and water are in ratio 5:7 in a 456 L mixture. Quantity of milk?

A. 380 L

B. 190 L

C. 229 L

D. 266 L

Answer: Option B

Solution (By JKSSB Mock Tests)

Total parts = 12. Milk = [5 / (5+7)] × 456 = 190 L.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

Two numbers are in ratio 7:4. Their difference is 53. What is their sum?

A. 209

B. 418

C. 471

D. 547

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Correct Answer: Option B

Explanation:
Numbers 7k, 4k. Difference |7-4|k = 53 ⇒ k = 17. Sum = (7+4)k ≈ 418.

This question belongs to: Maths Ratio and Proportion

Question #2

Ratio of present ages of A and B is 6:7. After 7 years, the ratio becomes 8:8. Present age of A is?

A. 138 years

B. 134 years

C. 276 years

D. 143 years

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Correct Answer: Option A

Explanation:
Let ages 6k and 7k. Then (6k + 7)/(7k + 7) = 8/8. Solving gives k ≈ 23, age of A = 6*23 = 138.

This question belongs to: Maths Ratio and Proportion

Question #3

Milk and water are in ratio 4:3 in a 255 L mixture. Quantity of milk?

A. 145 L

B. 110 L

C. 191 L

D. 290 L

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Correct Answer: Option A

Explanation:
Total parts = 7. Milk = [4 / (4+3)] × 255 = 145 L.

This question belongs to: Maths Ratio and Proportion

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