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Question
If A : B = 3 : 4, B : C = 2 : 5, find A : B : C.
Sum
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Solution
The given ratios are A : B = 3 : 4 and B : C = 2 : 5.
The common term is B, with values 4 and 2.
L.C.M of 4 and 2 is 4
B : C = 2 × 2 : 5 × 2
B : C = 4 : 10
A : B : C = 3 : 4 : 10
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