Question

let find the least square number of 4 digits.​

Answer 1

Answer:

31

2

=961

32

2

=1024

33

3

=1089

34

2

=1156

Least number of four digits = 1000.

(32)2 is more than 1000 by 24.

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

1000 + 24 = 1024

Therefore, the smallest four digit number which is a perfect square is 1024

Answer 2

Answer:

1024 is the correct answer