Find the smallest 4 digit number which is a perfect square ........

Quantitative Aptitude (RRB NTPC) Number System

Find the smallest 4 digit number which is a perfect square.

1000

1024

1081

1064

The smallest four digit number is 1000and it's not a perfect square. But smallest four digit number which is perfect square will be near to 1000.

30² =900

31² =961

32² =1024

Therefore smallest four digit number that is perfect square will be 1024.

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