Question

Ratio of the present ages of ‘A’ and ‘B’ is 9:16 respectively. 20 years from now, the ratio of ages of ‘B’ to ‘C’ will be 2:1. Square roots of present ages of ‘A’ and ‘C’ are in the ratio 3:2 respectively. Find the present age of ‘C’. 

A 12 years
B 16 years
C 20 years
D 10 years
E 4 years
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