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  1. If A : B = 3 : 4 and B : C = 8 : 9, then A : B : C is
    1. 8 : 6 : 9
    2. 9 : 8 : 6
    3. 6 : 8 : 9
    4. 3 : 32 : 9
Correct Option: D

A : B = 3 : 4 = 6 : 8
B : C = 8 : 9
∴  A : B : C = 6 : 8 : 9
Second Method :
A : B : C = xp : yp : qy
= 3 × 8 : 4 × 8 : 9 × 4
= 24 : 32 : 36
= 6 : 8 : 9


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