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A number when divided by 5 leaves a remainder 3. What is the remainder when the square of this number is divided by 5?

Option 1)
$4$
Option 2)
$8$
Option 3)
6
Option 4)
$1$
Option 5)
$9$

Answers (1)

R rishi.raj

$\frac{n}{5}\: remainder\: 3$

$\frac{n^{2}}{5}\: = \frac{9}{5}= 4$

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