If a:b = 3:7 and b:c = 7:11, then a:b:c = ? MCQ with Answer and Explanation

If a:b = 3:7 and b:c = 7:11, then a:b:c = ?
A. 2:7:12
B. 3:8:11
C. 3:7:11
D. 6:14:22
Answer: Option C
Solution (By JKSSB Mock Tests)
Combine ratios: a:b = 3:7, b:c = 7:11 ⇒ a:b:c = 3:7:11.

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Practice More Ratio and Proportion Questions

Question #1
If a:b = 6:9 and b:c = 9:6, then a:b:c = ?
A. 6:9:6
B. 12:18:12
C. 5:9:7
D. 6:10:6

Correct Answer: Option A


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

This question belongs to: Maths Ratio and Proportion
Question #2
If a:b = 3:4 and b:c = 4:6, then a:b:c = ?
A. 6:8:12
B. 3:5:6
C. 3:4:6
D. 2:4:7

Correct Answer: Option C


Explanation:
Combine ratios: a:b = 3:4, b:c = 4:6 ⇒ a:b:c = 3:4:6.

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

Correct Answer: Option B


Explanation:
Combine ratios: a:b = 4:3, b:c = 3:6 ⇒ a:b:c = 4:3:6.

This question belongs to: Maths Ratio and Proportion