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    If A:B = 6 : 8 and B:C = 5 : 10, then A:B:C is:
    Question

    If A:B = 6 : 8 and B:C = 5 : 10, then A:B:C is:

    A.

    3:4:8

    B.

    1:3:4

    C.

    4:3:2

    D.

    1:2:4

    Correct option is A

    Given: 

    A : B = 6 : 8 

    B : C = 5 : 10 

    Solution: 

    A : B = 6 : 8  = 3 : 4

    B : C = 5 : 10 = 1 : 2 

    First, we will make B equal

    A : B =  3 : 4

    B : C =  1×4\times4​: 2×4\times4 = 4 : 8

    A : B : C = 3 : 4 : 8

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