Question

A and B is friends. A is elder to B 5 years. B's sister C is half the age of B. While A's father D is 45 years older, find the present age of A,B and C.

Answer 1

Now, according to the question

A=B+5. (eq 1)

now, B=1/2C or C= 2B. (eq 2)

D=45-A ( eq 3)