If a:b = 6:10 and b:c = 10:6, then a:b:c = ? MCQ with Answer and Explanation

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
Answer: Option A
Solution (By JKExamLibrary)
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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Question #1 Report Error
If a:b = 2:6 and b:c = 6:12, then a:b:c = ?
A. 2:6:12
B. 2:7:12
C. 1:6:13
D. 4:12:24

Correct Answer: Option A


Explanation:
Combine ratios: a:b = 2:6, b:c = 6:12 ⇒ a:b:c = 2:6:12.

This question belongs to: Maths Ratio and Proportion
Question #2 Report Error
If a:b = 4:7 and b:c = 7:10, then a:b:c = ?
A. 8:14:20
B. 4:7:10
C. 4:8:10
D. 3:7:11

Correct Answer: Option B


Explanation:
Combine ratios: a:b = 4:7, b:c = 7:10 ⇒ a:b:c = 4:7:10.

This question belongs to: Maths Ratio and Proportion
Question #3 Report Error
If a:b = 4:6 and b:c = 6:9, then a:b:c = ?
A. 8:12:18
B. 4:7:9
C. 4:6:9
D. 3:6:10

Correct Answer: Option C


Explanation:
Combine ratios: a:b = 4:6, b:c = 6:9 ⇒ a:b:c = 4:6:9.

This question belongs to: Maths Ratio and Proportion