Question

Perfect square numbers between $20$ and $30$ is/are

• A. $21,25,28$
• B. $27,29,25$
• C. only $25$
• D. only $29$

Answer 1

Answer: (C)

only $25$

The perfect square between $20$ and $30$ is only $25$.
That is, $4\times 4=16$
$5\times 5=25$
$6\times 6=36$

$25$ is the only perfect square which falls between $20$ and $30$.

Therefore, option C is correct.