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AMC 10 2021b Problem 8

  • Paper

Mr. Zhou places all the integers from 11 to 225225 into a 1515 by 1515 grid. He places 11 in the middle square (eighth row and eighth column) and places other numbers one by one clockwise, as shown in part in the diagram below. What is the sum of the greatest number and the least number that appear in the second row from the top?

(A) 367(B) 368(C) 369(D) 379(E) 380\textbf{(A)} ~367 \textbf{(B)} ~368 \textbf{(C)} ~369 \textbf{(D)} ~379 \textbf{(E)} ~380

Dataset text NuminaMath-1.5. Quoted with source.

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367

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