Ratio a:b = 2:3, b:c = 4:5. a:b:c is:

A6:9:10

B8:12:15

C2:4:5

D4:6:5

Explanation

a:b=8:12, b:c=12:15. So 8:12:15.

Exam Relevance

Topic: Ratio and Proportion
Subtopic: Ratio Combination

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