Question

Mita is twice as old as arushi .5 years ago her age was three time arushis age. find their present age.

Answer 1

let, arushi's present age be x yrs
then, present age of mita be 2x yrs

5yrs ago,
arushi's age = (x-5)yrs
mita's age = (2x-5)yrs

A.T.Q.
2x-5 = 3(x-5)
2x -5 = 3x-15
2x-3x = 5-15
-x = -10
x = 10

so, arushi's present age is, i.e., x yrs, 10 yrs
mita's. present age is 2xyrs,I.e., 2*10 yrs= 20 yrs

HOPE IT WILL HELP YOU