Factors

Q. The value of $(109{)}^2$ is 11891

1. 11881

2. 10881

Q. Using $a^2-b^2=(a+b)(a-b),$ find
${52}^2-{48}^2$

1. $300$
2. $400$
3. $310$
4. $200$

Q.

$a{b}^2$ is a factor of $4a{b}^3-a{b}^2+a{b}^5$.

1. True

2. False

Q.

The common factor of $3ab$ and $2cd$ is:

1. c

2. a

3. 1

4. -1

Q.

A factor of a number or an expression is always divisible by the number or expression.

1. True

2. False

Q. is not a factor of $12x^{2}y$.

1. $2$
2. $y$
3. $x$
4. $x^3$

Q. 3 is a factor of $9x^{2}y$.

1. False
2. True

Q. Write first five multiples of 8.

Q.

Find the factors of 84 among the following.

1. 23

2. 21

3. 12

4. 18

Q.

___________ is a factor of every number and every number is a factor of _____________.

Choose the suitable pair from the following.

1. 2, next number

2. 2, itself

3. 1, itself

4. 1, next number