Question

Find the least number of 4 digits which is a perfect square also find square root of the number so obtained ???
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Answer 1

Answer:

1024

Step-by-step explanation:

Therefore, 1000+24 = 1024 is the smallest four digit number which is a perfect square.

Answer 2

Answer:

31 =961

32=1024

33 =1089

34=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.