S.N. Chhibber Solutions for Chapter: Squares and Square Roots, Exercise 2: Exercise

Find the smallest number by which each of the following numbers is divided to make it a perfect square.

$253125$

Find the smallest number by which each of the following numbers is divided to make it a perfect square.

$188771$

The number of zeros at the end of a perfect square is never _____ (odd/even).

The square of an even number is always _____.

The square of an odd number is always _____. (odd/even)

If the ones digit of a number is $4$, its square will end with _____

${425}^2-{424}^2=$ _____

The square of a number other than $1$ is either a multiple of $3$ or exceeds a multiple of $3$ by _____. [Write the answer in numeral form]