The average age of a family of 6 members is 34 years.If the age of the youngest member is 7 years,what was the average age of the family at the birth of the youngest member?\nOptions:\n(A) 15\n(B) 18\n(C) 21\n(D) 12\n(E) 27 Stream of consciousness first, then make a decision:
User
Present age of total members = 6 X 34 = 204\n7 yrs back their ages were = 6 x 7 = 42\nAges at the birth of youngest member = 204 - 42 = 162\nTherefore, avg age at the birth of youngest member = 162/6 = 27.
Thus, the answer is (E).
Assistant