The average age of A, B and C is 28 years. If the average age of A and C is 29 years, what is the age of B in years ?
Options:
(A) 19
(B) 26
(C) 20
(D) 32
(E) 21 Stream of consciousness:
Age of B = Age of (A + B + C) Age of (A + C) = 28 3 29 2 = 84 58 = 26 years
Thus, the answer is (B).