Chapter 1: Rational Number

A number of the form p/q is said to be a rational number if

• p and q are integers

• p and q are integers and p is not equal to zero.

• p and q are integers and q is not equal to zero.

• and q are integers and p and q both are not equal to zero.

If x be any rational number, than x+0 is

• -x

• 0

• x

• 1/x

 $\frac{-1}{4\ }\ +\ \frac{-3}{4}\ =\ ?$  

• 0

• 1

• -1

•  $\frac{3}{16}$  

 $\left(-\frac{5}{9}\div\frac{2}{3}\right)\ =\ ?$  

•  $-\frac{5}{2}$  

•  $-\frac{5}{6}$  

•  $-\frac{10}{27}$  

•  $-\frac{6}{5}$  

 $\left(-\frac{9}{16}\times\frac{8}{15}\right)\ =\ ?$  

•  $-\frac{3}{10}$  

•  $-\frac{4}{15}$  

•  $-\frac{9}{25}$  

•  $-\frac{2}{5}$  

 $2+\left(-1\right)$  

• 1

• -1

• 3

• -3

0 is an integer.

• True

• False

1.2 is an irrational number.

• True

• False

 $16-3\times\left(-2\ \right)=$  

• 10

• 22

• - 26

• 26

 $\left(35-5\right)\ \div\left(-6\right)=$  

• 24

• - 24

• - 5

• 5