A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B	Choose the correct option
A) 10  B) 8  C) 6  D) 5  E) 7

Rationale: "let c ' s age be x years . then , b ' s age = 2 x years . a ' s age = ( 2 x + 2 ) years . ( 2 x + 2 ) + 2 x + x = 27 5 x = 25 x = 5 . hence , b ' s age = 2 x = 10 years answer : a"
Answer: A