Estimatimg the number of digits in the square root of a number

Q. Find the number of digits in the square root of 166.41.

1. 2
2. 3
3. 4
4. 5

Q. A perfect square number having n digits , where n is even will have square root with _____.

1. $(n+1)$digit/digits
2. $\left(\frac{n}{2}\right)$digit/digits
3. $\left(\frac{n}{3}\right)$digit/digits
4. $\left(\sqrt{n}\right)$digit/digits

Q. What could be the possible 'one's' digit of the square root of 14, 641?

1. 1
2. 2
3. 3
4. 4

Q. What could be the possible 'one's' digit of the square root of 14, 641?

1. 1
2. 3
3. 2
4. 4

Q. Find the number of digits in the square root of 2043.04

1. 2
2. 3
3. 4
4. 5

Q. Find the number of digits in the square root of 166.41.

1. 2
2. 3
3. 4
4. 5

Q. Find the number of digits in the square root of 2043.04

1. 2
2. 3
3. 4
4. 5