Find the Least Number Which Must Be Added to 1205 So that the Resulting Number is a Perfect Square.

Find the least number which must be added to 1205 so that the resulting number is a perfect square.

Sum

Clearly, 1205 is greater than 34²

∴ On adding the required number to 1205, we shall be getting 35² i.e., 1225

∴ The required number = 1225 - 1205 = 20

shaalaa.com

Is there an error in this question or solution?

Chapter 3: Squares and Square Root - Exercise 3 (B) [Page 43]

Chapter 3 Squares and Square Root
Exercise 3 (B) | Q 12 | Page 43

What could be the possible ‘one’s’ digit of the square root of the given number?

998001

What could be the possible ‘one’s’ digit of the square root of the given number?

657666025

The area of a square field is \[30\frac{1}{4} m^2 .\] Calculate the length of the side of the square.

Find the length of a side of a square playground whose area is equal to the area of a rectangular field of diamensions 72 m and 338 m.

Find the square of 59.

Find the square of `15 2/3`

Find the square root of: 0.023104

For the following, find the least number that must be subtracted so that the resulting number is a perfect square.
796

Is it possible for the square of a number to end with 5 zeroes ? Give reason.

The value of `sqrt(180)` lies between integers ______ and ______