Find the square root of 39204.

A scooter was bought at Rs 42,000. Its value depreciated at the rate of 8% per annum. Find its value after one year.

Find the greatest 4-digit number which is a perfect square.

Find the least number that must be added to 1300 so as to get a perfect square. Also, find the square root of the perfect square.

Find the square root of:

(a) 17.64 (b) 12.25

Area of a square plot is 2304 m². Find the side of the square.

There are 2401 students in a school. P.T. teacher wants to stand them in such a manner that number of rows and columns are the same. Find the number of rows.

68.

Find the perfect square numbers between 30 and 50.

What will be the “one’s digit” in the square of the following numbers?

(i) 2345 (ii) 3456

Express the following numbers as sum of two consecutive integers,

(i) (23)² (ii) (17)² (iii) (27)²