Question

After 12yrs, A will be 3 times as old as he was 4 years ago. Find his present age.

Answer 1

let the present age be x yrs

A/Q,

$= > 12 + x = 3(x - 4) \\ \\ = > 12 + x = 3x - 12 \\ \\ = > 2x = 24 \\ \\ = > x = 12$

present age of A is 12 yrs