What was the question for this implicit rationale, and corresponding answer?
Sum of 12 even numbers = 12 * 13 = 156
Average = 156/13 = 13
 The answer: (D)
user
The question: The average of first 12 even numbers is?
Options:
(A) 10
(B) 11
(C) 12
(D) 13
(E) 14
assistant