Question

Find the least number of four digit which is a perfect square

Answer 1

Answer: 1024

Step-by-step explanation:

smallest number of four digit is 1000.

but it not a perfect square.

Square root of 1000 = 31.2  

Next higher number = 32.  

Square of 32 = 1024.  

therefore,

1024 is the smallest four digit number which is a perfect square.

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