Two numbers are in ratio 4:9. Their difference is 73. What is their sum? MCQ with Answer and Explanation

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Two numbers are in ratio 4:9. Their difference is 73. What is their sum?

A. 260

B. 520

C. 557

D. 656

Answer: Option B

Solution (By JKSSB Mock Tests)

Numbers 4k, 9k. Difference |4-9|k = 73 ⇒ k = 14. Sum = (4+9)k ≈ 520.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 4:6 and b:c = 6:12, then a:b:c = ?

A. 8:12:24

B. 3:6:13

C. 4:6:12

D. 4:7:12

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 4:6, b:c = 6:12 ⇒ a:b:c = 4:6:12.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 6:3 and b:c = 3:12, then a:b:c = ?

A. 5:3:13

B. 12:6:24

C. 6:4:12

D. 6:3:12

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 6:3, b:c = 3:12 ⇒ a:b:c = 6:3:12.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 8:5 and b:c = 5:6, then a:b:c = ?

A. 16:10:12

B. 8:6:6

C. 8:5:6

D. 7:5:7

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 8:5, b:c = 5:6 ⇒ a:b:c = 8:5:6.

This question belongs to: Maths Ratio and Proportion

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