The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?
Options:
(A) 11
(B) 12
(C) 30
(D) 98
(E) 15 Stream of consciousness first, then make a decision:
20 + 24 + 8 * 2 = 60/2 = 30
Thus, the answer is (C).