Question

15 year hence a men will be 4 time as old as he is 15 year ago his present age is

Answer 1

let x be the present age

15 year hence

= x+15

15 years ago

=x-15

ATQ

x+15= 4(x-15)

x+15= 4x- 60

3x -60-15=0

3x -75 =0

3x =75

x= 75/3

x=25