Two numbers are in the ratio 11:15 and their sum is 450. Find the numbers. MCQ with Answer and Explanation

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Two numbers are in the ratio 11:15 and their sum is 450. Find the numbers.

A. 374 and 510

B. 187 and 255

C. 214 and 229

D. 181 and 267

Answer: Option B

Solution (By JKSSB Mock Tests)

Numbers = 11k and 15k. 11k + 15k = 450 ⇒ k = 17. Thus, numbers are 187 and 255.

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 18 and 55.

A. 34

B. 31

C. 73

D. 62

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Correct Answer: Option B

Explanation:
Mean proportional = √(18 × 55) = √(990) = 31.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 3:6 and b:c = 6:9, then a:b:c = ?

A. 3:6:9

B. 2:6:10

C. 6:12:18

D. 3:7:9

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 3:6, b:c = 6:9 ⇒ a:b:c = 3:6:9.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 6:10 and b:c = 10:4, then a:b:c = ?

A. 12:20:8

B. 6:10:4

C. 5:10:5

D. 6:11:4

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Correct Answer: Option B

Explanation:
Combine ratios: a:b = 6:10, b:c = 10:4 ⇒ a:b:c = 6:10:4.

This question belongs to: Maths Ratio and Proportion

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