Praveen age after 10years will be 3 times his age 3years back. what is the present age of Chris?
Select the correct option:
A) 20
B) 25
C) 10
D) 30
E) 15

Rationale: chris present age = x after 10 years = x + 10 3 years back = x - 3 x + 10 = 3 ( x - 3 ) x = 20 answer is a
Answer: A