Two numbers are in ratio 11:9. Their difference is 111. What is their sum? MCQ with Answer and Explanation

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Two numbers are in ratio 11:9. Their difference is 111. What is their sum?

A. 240

B. 526

C. 480

D. 560

Answer: Option C

Solution (By JKSSB Mock Tests)

Numbers 11k, 9k. Difference |11-9|k = 111 ⇒ k = 55. Sum = (11+9)k ≈ 480.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 4:9 and b:c = 9:8, then a:b:c = ?

A. 4:9:8

B. 4:10:8

C. 3:9:9

D. 8:18:16

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 4:9, b:c = 9:8 ⇒ a:b:c = 4:9:8.

This question belongs to: Maths Ratio and Proportion

Question #2

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

A. 220 L

B. 248 L

C. 367 L

D. 440 L

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Correct Answer: Option A

Explanation:
Total parts = 8. Milk = [3 / (3+5)] × 587 = 220 L.

This question belongs to: Maths Ratio and Proportion

Question #3

Two numbers are in the ratio 12:9 and their sum is 368. Find the numbers.

A. 204 and 153

B. 187 and 162

C. 408 and 306

D. 219 and 124

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Correct Answer: Option A

Explanation:
Numbers = 12k and 9k. 12k + 9k = 368 ⇒ k = 17. Thus, numbers are 204 and 153.

This question belongs to: Maths Ratio and Proportion

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