Question

find the least number of four digits which is a perfect squar​

Answer 1

ANSWER

31 square

=961

32 square

=1024

33 square

=1089

34 square

=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.

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