Question

Find the least number of four digits which is a perfect square. ​

Answer 1

Answer:

32

Step-by-step explanation:

Sol:

Smallest 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.

thus square root of 1024is →√1024 =32

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Answer 2

Answer: 1024 is the first four digit number being a perfect square.

1024 is the square of 32

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