Question 1045432
The age of Radhika's mother is square the age of Radhika. Five years hence, mother will be 3 times her age. The difference

of their ages will be:
--------------
M = R^2
M+5 = 3(R+5)
----
Sub for M
R^2+5 = 3R+15
R^2 - 3R - 10 = 0
(R-5)*(R+2) = 0
R = 5
etc