2021 AMC 12A Problem 16


In the following list of numbers, the integer nn appears nn times in the list for 1n2001\le n \le 200 . 1,2,2,3,3,3,4,4,4,,200,200,,2001,2,2,3,3,3,4,4,4,\ldots,200,200,\ldots,200 What is the median of the numbers in this list?

(A) 100.5(B) 134(C) 142(D) 150.5(E) 167\textbf{(A) }100.5 \qquad \textbf{(B) }134 \qquad \textbf{(C) }142 \qquad \textbf{(D) }150.5\qquad \textbf{(E) }167


Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.

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Problem Tags: Counting and probability

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Category: AMC 12A
Points: 3
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