Two numbers are in the ratio 10:4 and their sum is 482. Find the numbers. MCQ with Answer and Explanation

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Two numbers are in the ratio 10:4 and their sum is 482. Find the numbers.

A. 340 and 136

B. 680 and 272

C. 357 and 117

D. 323 and 146

Answer: Option A

Solution (By JKSSB Mock Tests)

Numbers = 10k and 4k. 10k + 4k = 482 ⇒ k = 34. Thus, numbers are 340 and 136.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 8:3 and b:c = 3:8, then a:b:c = ?

A. 8:4:8

B. 7:3:9

C. 16:6:16

D. 8:3:8

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 8:3, b:c = 3:8 ⇒ a:b:c = 8:3:8.

This question belongs to: Maths Ratio and Proportion

Question #2

Find the mean proportional between 7 and 28.

A. 35

B. 28

C. 14

D. 17

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Correct Answer: Option C

Explanation:
Mean proportional = √(7 × 28) = √(196) = 14.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 2:4 and b:c = 4:9, then a:b:c = ?

A. 4:8:18

B. 2:5:9

C. 1:4:10

D. 2:4:9

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 2:4, b:c = 4:9 ⇒ a:b:c = 2:4:9.

This question belongs to: Maths Ratio and Proportion

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