If a:b = 7:6 and b:c = 6:4, then a:b:c = ? MCQ with Answer and Explanation

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If a:b = 7:6 and b:c = 6:4, then a:b:c = ?

A. 14:12:8

B. 7:6:4

C. 7:7:4

D. 6:6:5

Answer: Option B

Solution (By JKExamLibrary)

Combine ratios: a:b = 7:6, b:c = 6:4 ⇒ a:b:c = 7:6:4.

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1 Report Error

If a:b = 2:10 and b:c = 10:12, then a:b:c = ?

A. 1:10:13

B. 2:11:12

C. 2:10:12

D. 4:20:24

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 2:10, b:c = 10:12 ⇒ a:b:c = 2:10:12.

This question belongs to: Maths Ratio and Proportion

Question #2 Report Error

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

A. 4:5:7

B. 5:6:6

C. 5:5:6

D. 10:10:12

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Correct Answer: Option C

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

This question belongs to: Maths Ratio and Proportion

Question #3 Report Error

If a:b = 4:8 and b:c = 8:7, then a:b:c = ?

A. 3:8:8

B. 4:9:7

C. 4:8:7

D. 8:16:14

View Answer & Solution Discuss

Correct Answer: Option C

Explanation:
Combine ratios: a:b = 4:8, b:c = 8:7 ⇒ a:b:c = 4:8:7.

This question belongs to: Maths Ratio and Proportion

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