Milk and water are in ratio 7:6 in a 528 L mixture. Quantity of milk? MCQ with Answer and Explanation

Milk and water are in ratio 7:6 in a 528 L mixture. Quantity of milk?

A. 284 L

B. 334 L

C. 244 L

D. 568 L

Answer: Option A

Total parts = 13. Milk = [7 / (7+6)] × 528 = 284 L.

This question belongs to: Maths Ratio and Proportion

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Question #1 Report Error

Ratio of present ages of A and B is 7:5. After 10 years, the ratio becomes 8:8. Present age of A is?

A. 127 years

B. 133 years

C. 138 years

D. 266 years

Correct Answer: Option B

Explanation:
Let ages 7k and 5k. Then (7k + 10)/(5k + 10) = 8/8. Solving gives k ≈ 19, age of A = 7*19 = 133.

This question belongs to: Maths Ratio and Proportion

Question #2 Report Error

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. 90 years

B. 85 years

C. 180 years

D. 95 years

Correct Answer: Option A

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

Question #3 Report Error

Two numbers are in ratio 8:5. Their difference is 125. What is their sum?

A. 519

B. 201

C. 445

D. 403

Correct Answer: Option D

Explanation:
Numbers 8k, 5k. Difference |8-5|k = 125 ⇒ k = 41. Sum = (8+5)k ≈ 403.

This question belongs to: Maths Ratio and Proportion