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Difference between revisions of "1997 AHSME Problems/Problem 13"

(Created page with "==Problem== How many two-digit positive integers <math>N</math> have the property that the sum of <math>N</math> and the number obtained by reversing the order of the digits of ...")
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Revision as of 09:35, 9 August 2011

Problem

How many two-digit positive integers $N$ have the property that the sum of $N$ and the number obtained by reversing the order of the digits of is a perfect square?

$\textbf{(A)}\ 4\qquad\textbf{(B)}\ 5\qquad\textbf{(C)}\ 6\qquad\textbf{(D)}\ 7\qquad\textbf{(E)}\ 8$

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