Two numbers are in the ratio 11:5 and their sum is 789. Find the numbers. MCQ with Answer and Explanation

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Two numbers are in the ratio 11:5 and their sum is 789. Find the numbers.

A. 524 and 251

B. 539 and 245

C. 566 and 224

D. 1078 and 490

Answer: Option B

Solution (By JKSSB Mock Tests)

Numbers = 11k and 5k. 11k + 5k = 789 ⇒ k = 49. Thus, numbers are 539 and 245.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 7:9 and b:c = 9:8, then a:b:c = ?

A. 14:18:16

B. 7:9:8

C. 7:10:8

D. 6:9:9

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Correct Answer: Option B

Explanation:
Combine ratios: a:b = 7:9, b:c = 9:8 ⇒ a:b:c = 7:9:8.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 5:9 and b:c = 9:7, then a:b:c = ?

A. 5:9:7

B. 5:10:7

C. 4:9:8

D. 10:18:14

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 5:9, b:c = 9:7 ⇒ a:b:c = 5:9:7.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 4:4 and b:c = 4:8, then a:b:c = ?

A. 4:4:8

B. 8:8:16

C. 4:5:8

D. 3:4:9

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Correct Answer: Option A

Explanation:
Combine ratios: a:b = 4:4, b:c = 4:8 ⇒ a:b:c = 4:4:8.

This question belongs to: Maths Ratio and Proportion

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