Find the average of the first 41 natural numbers?
Options:
(A) 8
(B) 9
(C) 10
(D) 11
(E) 21 Stream of consciousness first, then make a decision:
Average of the first 'n' natural numbers = (n + 1)/2
We get (41 + 1)/2 = 21
Thus, the answer is (E).