If a:b = 5:8 and b:c = 8:6, then a:b:c = ? MCQ with Answer and Explanation

If a:b = 5:8 and b:c = 8:6, then a:b:c = ?
A. 5:8:6
B. 4:8:7
C. 5:9:6
D. 10:16:12
Answer: Option A
Solution (By JKExamLibrary)
Combine ratios: a:b = 5:8, b:c = 8:6 ⇒ a:b:c = 5:8:6.

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 = 7:7 and b:c = 7:9, then a:b:c = ?
A. 7:8:9
B. 6:7:10
C. 7:7:9
D. 14:14:18

Correct Answer: Option C


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

This question belongs to: Maths Ratio and Proportion
Question #2 Report Error
If a:b = 6:10 and b:c = 10:6, then a:b:c = ?
A. 6:10:6
B. 12:20:12
C. 5:10:7
D. 6:11:6

Correct Answer: Option A


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
Question #3 Report Error
If a:b = 8:3 and b:c = 3:6, then a:b:c = ?
A. 16:6:12
B. 8:3:6
C. 8:4:6
D. 7:3:7

Correct Answer: Option B


Explanation:
Combine ratios: a:b = 8:3, b:c = 3:6 ⇒ a:b:c = 8:3:6.

This question belongs to: Maths Ratio and Proportion