Discussion

Question:

If A is 1/3^rd of B and B is 1/2 of C, then A : B : C is?

Explanation:

A = B/3, B = C/2, C = C, then,

A : B : C = $\frac{B}{3} : \frac{C}{2} : \frac{C}{1} = \frac{C}{3 \times 2} : \frac{C}{2} : \frac{C}{1}$ = $\frac{1}{6} : \frac{1}{2} : \frac{1}{1}$ = $\frac{6}{6} : \frac{6}{2} : \frac{6}{1}$ = 1 : 3 : 6

Hence, option (a).

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