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

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

A. 4:4:6

B. 3:4:7

C. 8:8:12

D. 4:5:6

Answer: Option A

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Ratio and Proportion

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Practice More Ratio and Proportion Questions

Question #1

If a:b = 7:8 and b:c = 8:9, then a:b:c = ?

A. 14:16:18

B. 7:9:9

C. 7:8:9

D. 6:8:10

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Correct Answer: Option C

Explanation:
Combine ratios: a:b = 7:8, b:c = 8:9 ⇒ a:b:c = 7:8:9.

This question belongs to: Maths Ratio and Proportion

Question #2

Two numbers are in ratio 5:12. Their difference is 93. What is their sum?

A. 313

B. 255

C. 127

D. 404

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Correct Answer: Option B

Explanation:
Numbers 5k, 12k. Difference |5-12|k = 93 ⇒ k = 13. Sum = (5+12)k ≈ 255.

This question belongs to: Maths Ratio and Proportion

Question #3

If a:b = 8:5 and b:c = 5:6, then a:b:c = ?

A. 16:10:12

B. 8:6:6

C. 7:5:7

D. 8:5:6

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Correct Answer: Option D

Explanation:
Combine ratios: a:b = 8:5, b:c = 5:6 ⇒ a:b:c = 8:5:6.

This question belongs to: Maths Ratio and Proportion

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