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. 316

B. 130

C. 383

D. 260

Answer: Option D

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

If a:b = 5:8 and b:c = 8:7, then a:b:c = ?

A. 10:16:14

B. 5:9:7

C. 4:8:8

D. 5:8:7

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 5:8, b:c = 8:7 ⇒ a:b:c = 5:8:7.

This question belongs to: Maths Ratio and Proportion

Question #2

Milk and water are in ratio 8:2 in a 253 L mixture. Quantity of milk?

A. 245 L

B. 202 L

C. 404 L

D. 51 L

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Correct Answer: Option B

Explanation:
Total parts = 10. Milk = [8 / (8+2)] × 253 = 202 L.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 7:5 and b:c = 5:8, then a:b:c = ?

A. 7:6:8

B. 6:5:9

C. 14:10:16

D. 7:5:8

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 7:5, b:c = 5:8 ⇒ a:b:c = 7:5:8.

This question belongs to: Maths Ratio and Proportion

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