Sharpen your math skills with a new problem every Tuesday to Friday. These daily challenges are perfect for those who enjoy quick, engaging puzzles.
You are given the following non-decreasing sequence of positive integers in which the nth term appears n times:
1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, . . .
What is the remainder when the 1990th term is divided by 4?
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