Question

find the smallest 4 digital no. which is perfect square.
by long division method

Answer 1

The smallest 4 digits no. which is a perfect square is 1024.
it's a perfect square of 32.

Answer 2

Smallest 4 digit number is 1000
Therefore smallest four digit number which is perfect square will be near to 1000
(30)^2=900
(31)^2=961
(32)^2=1024
Therefore first four digit perfect square number is 1024 ,so it is smallest.