Question 253480: n is even integer and 10 < n < 19 What is the arithmetic average of all possible value of n ?
(A) 14 (B) 14.5 (C) 15 (D) 15.5 (E) 30 Answer by vksarvepalli(154) (Show Source):
You can put this solution on YOUR website! n is an even integer and 10 < n < 19
so n can take the values 12,14,16 and 18
so arithmetic average of all possible value of n is (12+14+16+18)/4 = 15
Ans: C