Two numbers are in the ratio 13:10 and their sum is 746. Find the numbers. MCQ with Answer and Explanation

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Two numbers are in the ratio 13:10 and their sum is 746. Find the numbers.

A. 832 and 640

B. 403 and 338

C. 434 and 298

D. 416 and 320

Answer: Option D

Solution (By JKExamLibrary)

Numbers = 13k and 10k. 13k + 10k = 746 ⇒ k = 32. Thus, numbers are 416 and 320.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

Find the mean proportional between 10 and 48.

A. 21

B. 58

C. 24

D. 42

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Correct Answer: Option A

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

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 6:9 and b:c = 9:9, then a:b:c = ?

A. 6:9:9

B. 6:10:9

C. 12:18:18

D. 5:9:10

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 6:9, b:c = 9:9 ⇒ a:b:c = 6:9:9.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 4:5 and b:c = 5:4, then a:b:c = ?

A. 8:10:8

B. 4:6:4

C. 3:5:5

D. 4:5:4

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 4:5, b:c = 5:4 ⇒ a:b:c = 4:5:4.

This question belongs to: Maths Ratio and Proportion

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