The sum of present age of Abe and the age before 7 years is 27. Find the present age of Abe. What will be his age after 7 years?
Choose the correct choice from the following:
A) 25	B) 24	C) 27	D) 28	E) 29

Rationale: "present age = x before 7 yrs , y = x - 7 after 7 yrs , z = x + 7 by the qn , x + ( x - 7 ) = 27 2 x - 7 = 27 2 x = 27 + 7 x = 34 / 2 x = 17 z = x + 7 = 17 + 7 = 24 answer : b"
Answer: B