Question

Find which of the square of the following numbers are even ?

• A. $431$
• B. $2826$
• C. $7779$
• D. $82004$

Answer 1

Answer: (B), (D)

$2826$
$82004$

We know that square of an odd number is odd and square of an even number is even

$\left(i\right)$The square of $431$ is an odd number $\because 431$ is an odd number.

$\left(ii\right)$The square of $2826$ is an even number $\because 2826$ is an even number.

$\left(iii\right)$The square of $7779$ is an odd number $\because 7779$ is an odd number.

$\left(iv\right)$The square of $82004$ is an even number $\because 82004$ is an even number.