Let present age of Rakhi= x years
= Present age of Mother= 4x
5 years later
Age of Rakhi=(x+5)
Age of Mother=(4x+5)
ATQ (According to Question)
(4x+5)= 3(x+5)
4x+5 = 3x+15
4x-3x = 15-5
x = 10
Hence, the present age of Rakhi = 10
the present age of Mother = 4x = 4*10=40 (multiply)