Two numbers are in ratio 9:11. Their difference is 54. What is their sum? MCQ with Answer and Explanation

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Two numbers are in ratio 9:11. Their difference is 54. What is their sum?

A. 260

B. 316

C. 383

D. 130

Answer: Option A

Solution (By JKSSB Mock Tests)

Numbers 9k, 11k. Difference |9-11|k = 54 ⇒ k = 27. Sum = (9+11)k ≈ 260.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

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

A. 286 L

B. 143 L

C. 176 L

D. 64 L

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Correct Answer: Option B

Explanation:
Total parts = 13. Milk = [9 / (9+4)] × 207 = 143 L.

This question belongs to: Maths Ratio and Proportion

Question #2

Find the mean proportional between 10 and 48.

A. 42

B. 24

C. 21

D. 58

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Correct Answer: Option C

Explanation:
Mean proportional = √(10 × 48) = √(480) = 21.

This question belongs to: Maths Ratio and Proportion

Question #3

Milk and water are in ratio 9:4 in a 416 L mixture. Quantity of milk?

A. 288 L

B. 128 L

C. 313 L

D. 576 L

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Correct Answer: Option A

Explanation:
Total parts = 13. Milk = [9 / (9+4)] × 416 = 288 L.

This question belongs to: Maths Ratio and Proportion

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