# Which Number should be Added? if

The smallest number which should be added to the number 4577 so that the result is a perfect square is:

- 46
- 48
- 47
- 49

**Answer: (3) 47**

**Explanation:-**

4624 is a perfect square of 68.

Then, the smallest number which should be added to the number = 4624 – 4577

= 47

Then, the smallest number is 47 which should be added to the number 4577 so that the result is a perfect square of 68.

Hence, the answer is (3) 47.