The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 3 years hence?
Choose the correct choice from the following answers.
A) 58	B) 59	C) 62	D) 66	E) 74

Rationale: explanation : a + b = 60 , a = 2 b 2 b + b = 60 = > b = 20 then a = 40 . 3 years , their ages will be 43 and 23 . sum of their ages = 43 + 23 = 66 . d )
Answer: D