Squares and Squ...

For the following number, find the smallest whole number by which it should be multiplied so as to get a perfect square number. Also, find the square root of the square number so obtained.
$$252$$

Without doing any calculation, find the numbers which are surely not perfect squares:
$$153$$
$$257$$
$$408$$
$$441$$

A gardener wants to plant $$17956$$ trees and arranges them in such a way that there are as many rows as there are trees in a row. What is the number of trees in a row?

The largest number of $$5$$ digits, which is perfect square is

What could be the possible 'one's' digit of the square root of each of the following numbers?
$$9801$$
$$99856$$

Find the square root of each of the following numbers by division method:
$$2304$$
$$4489$$
$$3481$$

The students of class VII of a school denoted $$Rs. 2401$$ in all, for Prime Minister's National Relief Fund. Each student denoted as many rupees as the number of students in the class. Find the number of students in the class.

Which one of the following can't be the square of natural number ?

Find the square root of $$10$$, correct to four places of decimal.

What least number must be substracted from $$176$$ to make it a perfect square?