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2012 AMC 10A Problem 14

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2012 AMC 10A Problem 14AMC 10 Step by Step

Name: Date: September 13, 2026

Paths & Grids · difficulty 2 of 5 · about 3 min · position P11-15

Chubby makes nonstandard checkerboards that have $31$ squares on each side. The checkerboards have a black square in every corner and alternate red and black squares along every row and column. How many black squares are there on such a checkerboard?

A)
$480$
B)
$481$
C)
$482$
D)
$483$
E)
$484$

2012 AMC 10A Problem 14

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