Two numbers are in the ratio 13:11 and their sum is 287. Find the numbers. MCQ with Answer and Explanation

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Two numbers are in the ratio 13:11 and their sum is 287. Find the numbers.

A. 143 and 121

B. 286 and 242

C. 138 and 127

D. 158 and 106

Answer: Option A

Solution (By JKSSB Mock Tests)

Numbers = 13k and 11k. 13k + 11k = 287 ⇒ k = 11. Thus, numbers are 143 and 121.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 6:7 and b:c = 7:10, then a:b:c = ?

A. 12:14:20

B. 5:7:11

C. 6:7:10

D. 6:8:10

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 6:7, b:c = 7:10 ⇒ a:b:c = 6:7:10.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 8:10 and b:c = 10:10, then a:b:c = ?

A. 8:11:10

B. 8:10:10

C. 16:20:20

D. 7:10:11

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Correct Answer: Option B

Explanation:
Combine ratios: a:b = 8:10, b:c = 10:10 ⇒ a:b:c = 8:10:10.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 6:9 and b:c = 9:10, then a:b:c = ?

A. 5:9:11

B. 6:10:10

C. 6:9:10

D. 12:18:20

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 6:9, b:c = 9:10 ⇒ a:b:c = 6:9:10.

This question belongs to: Maths Ratio and Proportion

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