
What is the digit at the one's place in the square of the number

Important Questions on Squares and Square Roots
Which of the following numbers is not a perfect square?

Which of the following is the square of an odd number?


Which of the following numbers is not a perfect square?


Find the greatest number of five digits which is a perfect square. Also find the square root of the number so obtained.


The difference of two perfect squares is a perfect square.


Find the value of the following, using the diagonal method:

Which of the following numbers is not a perfect square?


Find the value of the following, using the diagonal method:


The square of an even number is

Find the least number of four digits which is a perfect square. Also find the square root of the number so obtained.

Identify by mere observation, the numbers that are not perfect squares.
(i) (ii) (iii) (iv)

The product of two perfect squares is a perfect square.

Find the value of the following, using the diagonal method:


