The arithmetic mean of the nine numbers in the set {9,99,999,9999,…,999999999} is a 9-digit number M, all of whose digits are distinct. The number M does not contain the digit
(A) 0 (B) 2 (C) 4 (D) 6 (E) 8
ANSWER: A
240-232-6531
The arithmetic mean of the nine numbers in the set {9,99,999,9999,…,999999999} is a 9-digit number M, all of whose digits are distinct. The number M does not contain the digit
(A) 0 (B) 2 (C) 4 (D) 6 (E) 8
ANSWER: A