Question

in a school a P.T. teacher wants to arrange 2000 students in the form of rows and columns for P.T. display. If the number of rows is equal to number of columns and 64 students could not be accommodated in this arrangement. find the number of rows.

Answer 1

⇔⇔⇔⇔⇔ YOUR ANSWER ↓↓↓↓↓↓↓↓.
USE PC FOR CORRECT FORMAT.
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Let the number of rows be x .
then, 
columns also = x .
then, According to question .

2000 - 64 = x * x
1936 = $x^{2}$.
$x = \sqrt{1936}$
$x = 44$.

Then , Number of rows = 44 

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ANKIT