MathDB
Problems
Contests
National and Regional Contests
USA Contests
MAA AMC
AMC 12/AHSME
1997 AMC 12/AHSME
13
13
Part of
1997 AMC 12/AHSME
Problems
(1)
N and reverse N
Source:
10/14/2005
How many two-digit positive integers
N
N
N
have the property that the sum of
N
N
N
and the number obtained by reversing the order of the digits of
N
N
N
is a perfect square?
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4
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5
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6
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D
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7
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<span class='latex-bold'>(A)</span>\ 4\qquad <span class='latex-bold'>(B)</span>\ 5\qquad <span class='latex-bold'>(C)</span>\ 6\qquad <span class='latex-bold'>(D)</span>\ 7\qquad <span class='latex-bold'>(E)</span>\ 8
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6
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7
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8
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integration