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. 187 and 255

B. 374 and 510

C. 214 and 229

D. 181 and 267

Answer: Option A

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

If a:b = 5:8 and b:c = 8:9, then a:b:c = ?

A. 5:8:9

B. 4:8:10

C. 5:9:9

D. 10:16:18

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 5:8, b:c = 8:9 ⇒ a:b:c = 5:8:9.

This question belongs to: Maths Ratio and Proportion

Question #2

Find the mean proportional between 16 and 72.

A. 36

B. 66

C. 33

D. 88

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Correct Answer: Option C

Explanation:
Mean proportional = √(16 × 72) = √(1152) = 33.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 3:7 and b:c = 7:4, then a:b:c = ?

A. 3:8:4

B. 6:14:8

C. 3:7:4

D. 2:7:5

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 3:7, b:c = 7:4 ⇒ a:b:c = 3:7:4.

This question belongs to: Maths Ratio and Proportion

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