The ages of x and y are in the ratio 3:1. Fifteen years henc

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The ages of x and y are in the ratio 3:1. Fifteen years hence, the ratio will be 2:1. The present ages (in years) are:

[SSC GD 2012 Shift 2]

A 30, 10

B 45, 15,

C 21, 7,

D 60, 20,