Find the sum of the first five odd numbers and check whether the sum is a square number or not.

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Solution

$First five odd numbers are 1, 3, 5, 7 and 9.$
$Sum = 1 + 3 + 5 + 7 + 9 = 25$

$25 is a square number as it can be obtained by multiplying 5 by itself i.e. 5 \times 5 = 25.$
It can be represent as:

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