Square Root of a Number

Q.

Find the largest number of 2 digits which is a perfect square

Q.

What is the square root of zero?

Q.

Question 130

Solve the following question:

Find three numbers in the ratio 2 : 3 : 5, the sum of whose squares is 608.

Q.

What is the square root of $100$ ?

Q.

The square root of a rational number is also a rational number.

1. True

2. False

Q.

Square root of a natural number is always a natural number.

1. True

2. False

Q.

Two congruent triangles have equal area. (True/False)

1. True

2. False

Q.

Which among the following numbers is not a perfect square?

1. Cubes

2. Squares

3. Irrational Numbers

4. None of these.

Q.

A division is the inverse operation of a square.

1. True

2. False

Q.

If $9\sqrt{x}=\sqrt{12}+\sqrt{147}$ , then the value of $x$ is

1. $-2$

2. $2$

3. $3$

4. $-3$

Q.

Question 24

Write the correct answer from the given four options.

Given that, $\sqrt{4096}=64$, the value of $\sqrt{4096}+\sqrt{40.96}$ is

a) 74
b) 60.4
c) 64.4
d) 70.4

Q.

Which number should be multiplied by $43$ so that it will have $3$ prime factors?

Q.

What is the square root of $361$?

Q.

Question 132

Solve the following question:

The area of a square plot is $101\frac{1}{400}{m}^2$. Find the length of one side of the plot.

Q. Square root of a number is same as raising that number to the exponent .

1. $\frac{1}{2}$
2. 2
3. $\frac{1}{3}$

Q.

Which one is the correct square root of $800$.

1. $2\sqrt{20}$

2. $20\sqrt{2}$

3. $40\sqrt{2}$

4. none of these

Q.

If two triangles are congruent, their areas are equal.

1. False

2. True

Q.

What is the square root of $89$?

Q. The areas of two congruent figures are always equal. The converse is also true.

1. False
2. True

Q.

The square root of $115$ is:

Q.

Can the square root of $34$ be simplified?

Q. Area of a square is $144$ cm${}^2$. What could be the side of the square?

1. $18$ cm
2. $12$ cm
3. $10$ cm
4. $15$ cm

Q. Find the square root of $15$ using long division method upto $2$ decimal places.

1. $3.87$
2. $3.78$
3. $3.76$
4. $3.67$

Q. Find the least number that must be added to $1456$ to make it a perfect square.

1. $68$
2. $69$
3. $65$
4. $70$

Q.

Congruent triangles have different perimeter and equal area.

1. True

2. False

Q.

What is the square root of $3025$ by prime factorization?

Q.

What is the square root of $400$?

Q.

By what smallest number should $216$ be divided so that the quotient is a perfect square. Also find the square root of the quotient.

Q.

What is the square root of $14400$?

Q.

$2025$plants are to be planted in a garden in such a way that each row contains as many plants as the number of rows. Find the number of rows and the number of plants in each row.