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 32, then how old is B?
Choose the most appropriate option:
A) 17 years
B) 19 years
C) 29 years
D) 10 years
E) 12 years

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 = 32 5 x = 30 = > x = 6 hence , b ' s age = 2 x = 12 years . answer : e"
Answer: E