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. 1078 and 490

B. 566 and 224

C. 539 and 245

D. 524 and 251

Answer: Option C

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 = 8:6 and b:c = 6:12, then a:b:c = ?

A. 8:7:12

B. 8:6:12

C. 16:12:24

D. 7:6:13

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Correct Answer: Option B

Explanation:
Combine ratios: a:b = 8:6, b:c = 6:12 ⇒ a:b:c = 8:6:12.

This question belongs to: Maths Ratio and Proportion

Question #2

If a:b = 2:8 and b:c = 8:12, then a:b:c = ?

A. 2:9:12

B. 1:8:13

C. 4:16:24

D. 2:8:12

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 2:8, b:c = 8:12 ⇒ a:b:c = 2:8:12.

This question belongs to: Maths Ratio and Proportion

Question #3

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

A. 6:11:6

B. 6:10:6

C. 5:10:7

D. 12:20:12

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Correct Answer: Option B

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

This question belongs to: Maths Ratio and Proportion

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