CEMC Pascal, 2002

Number theory Difficulty 2.0 Junior Find the answer Canada

The natural numbers from 1 to 2100 are entered sequentially in 7 columns, with the first 3 rows as shown. The number 2002 occurs in column $m$ and row $n$ . The value of $m+n$ is

(A) $290$ (B) $291$ (C) $292$ (D) $293$ (E) $294$

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