If a : b = 2 : 5, c : b = 3 : 4, then a : b : c is equal to:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 8 : 20 : 15
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Understanding |
Application |
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Given a : b = 2 : 5 …………(1) c : b = 3 : 4 …………(2) |
Multiply by 4 in equation (1) and multiply by 5 in equation (2): a : b : c = 8 : 20 : 15 |