Question

find the least number of four digits which is a perfect square. also find its square root​ please tell me with explanation

Answer 1

answer:-1024

when we divide the smallest 4-digit number then quotient is obtain 31.

do,the next no. of 31 is 32.

then 32 square=1024.

so,1024 is the least no. of four digits which is a perfect square