Question
 If A:B = 3:5 and B:C = 10:7, and A + B + C = 230, then
B = ?Solution
ATQ, A:B = 3:5 B:C = 10:7 Make B same: A:B = 6:10 B:C = 10:7 So A:B:C = 6:10:7 Total ratio = 6 + 10 + 7 = 23 23 parts = 230 1 part = 10 So B = 10 parts = 100
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