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How many two-digit numbers are there such that the sum of the number and the number formed by reversing the digits is a perfect square?

Option 1)
$9$
Option 2)
$7$
Option 3)
$2$
Option 4)
$8$
Option 5)
$4$

Answers (1)

best_answer

$per\! f\! ect \: squares=$

$1,4, 9,16,25,36,49,64, 81,100,121,144, 169,196 (74,47),(56,65),(83,38),(92,29)$

$=8$

Posted by

rishi.raj

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