Problem
1993 AHSME Problem 16
Consider the non-decreasing sequence of positive integers 1,2,2,3,3,3,4,4,4,4,5,5,5,5,5,\cdots in which the n^{th} positive integer appears n times. The remainder when the 1993^{rd} term is divided by 5 is
\text{(A) } 0\quad \text{(B) } 1\quad \text{(C) } 2\quad \text{(D) } 3\quad \text{(E) } 4
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