In 12yrs a man will be three time as old as his son ; the difference o – InterviewSolution

1.

In 12yrs a man will be three time as old as his son ; the difference of their present ages.

Answer»

After 12 yrs age of son = xAfter 12 yrs age of father = 3x

Son present age = x - 12Father present age = 3x - 12

Difference of present age= (3x - 12) - (x - 12)= 2x

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