Question

find the least number of 4 digits which is a perfect square

Answer 1

Answer:

The Smallest four digit number =1000

Let's solve

1. pair of the given number
2. 10 00

Solve using long division method

3 | 10 00(32

3 | 9

====

62| 100

2| 124

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32² (32^2) is more than 1000 by 24;

So the least number to be added to 1000 is 24.

Therefore, 1000+24 = 1024 is the smallest four digit number which is a perfect square.

Hope u get it.

Answer 2

Answer:

31^31=961

32^32=1024

smallest no. is 1024