The average age of A, B and C is 29 years. If the average age of A and C is 32 years, what is the age of B in years ?  Choose the correct choice.
A) 19 B) 35 C) 20 D) 32 E) 23

Rationale: "age of b = age of ( a + b + c ) â € “ age of ( a + c ) = 29 ã — 3 â € “ 32 ã — 2 = 87 â € “ 64 = 23 years e"
Answer: E