Two numbers are in the ratio 12:9 and their sum is 368. Find the numbers. MCQ with Answer and Explanation

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Two numbers are in the ratio 12:9 and their sum is 368. Find the numbers.

A. 219 and 124

B. 408 and 306

C. 187 and 162

D. 204 and 153

Answer: Option D

Solution (By JKSSB Mock Tests)

Numbers = 12k and 9k. 12k + 9k = 368 ⇒ k = 17. Thus, numbers are 204 and 153.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 2:6 and b:c = 6:12, then a:b:c = ?

A. 1:6:13

B. 4:12:24

C. 2:7:12

D. 2:6:12

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 2:6, b:c = 6:12 ⇒ a:b:c = 2:6:12.

This question belongs to: Maths Ratio and Proportion

Question #2

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

A. 5:8:6

B. 10:16:12

C. 4:8:7

D. 5:9:6

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Correct Answer: Option A

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

This question belongs to: Maths Ratio and Proportion

Question #3

Find the mean proportional between 22 and 51.

A. 66

B. 33

C. 36

D. 73

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Correct Answer: Option B

Explanation:
Mean proportional = √(22 × 51) = √(1122) = 33.

This question belongs to: Maths Ratio and Proportion

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