Find the least number by which $7442$ should be divided to get a perfect square number. Find the number whose square is the resulting number.$$

Find the smallest square number that is divisible by each of the numbers $8, 9$ and $10$.

Find the smallest square number that is divisible by each of the numbers $18, 20, 24$ and $27$.

Check whether or not $7643$ is a perfect square ?

Check whether or not $3242$ is a perfect square ?

Check whether or not $6827$ is a perfect square ?

Check whether or not $3000$ is a perfect square ?$$

Check whether or not $4808$ is a perfect square ?

Is the square of $44$ even or odd ?