Question

Find the least number of 4 digits which is a perfect square. Also, find its square root. in solution ​

Answer 1

Answer:

Step-by-step explanation:

The smallest four digit no. = 1000

32^2 is more than 1000 by 24;

So the least number to be added to 1000 is 24.

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

Hope u get it.

Answer 2

The least 4 digit number is = 1000

The remainder is 39

Since, (31)2 < 1000

We take, the next perfect square number i.e., (32)2

(32)2 = 1024 > 1000

∴ 1024 is the required least number 4 digit number which is a perfect square.