Question

Find the least number of 4 digit which is perfect square also find the square root of number obtained







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Answer 1

Step-by-step explanation:

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Answer 2

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.