Question 7 :
State 'T' for true and 'F' for false.<br>(i) Every rational number can be expressed with a positive numerator.<br>(ii) $\frac{3}{11}$ cannot be represented as a non-terminating repeating decimal.<br>(iii) If $\frac{p}{q}$ and $\frac{r}{s}$ are two terminating decimals, then $\frac{p}{q}\times\frac{r}{s}$ is also a terminating decimal.<br>(iv) If $\frac{p}{q}$ is non-terminating repeating decimal and $\frac{r}{s}$ is a terminating decimal, then ($\frac{p}{q}\div\frac{r}{s}$)is a terminating decimal.

Question 12 :
Convert the statement&#160;into an equation :&#160;Adding $14$ to $9$ times $y$ is $89$.

Question 13 :
Tiya has $Rs. 59$. She buys a comic book for $Rs. 32$. How much money is left with her?<br>

Question 14 :
To get the value of $p$, ____. is to be multiplied on either side of equation&#160;$\displaystyle \frac{p}{4}=12$. (Method of elimination)

Question 17 :
Solve for $x$: $\displaystyle \frac{1}{5}(3x\, -\,2)\, -\, \frac{1}{3}(x\, +\, 7)\, +\, 1\, =\, 0$.

Question 18 :
Solve the following equation:&#160;If $\cfrac{t}{5} = 10$, then $t$ is equal to

Question 19 :
Find the value of $x$ which satisfies the linear equation &#160;$\displaystyle 9(x-9)=-11$

Question 24 :
Product of a negative integer and a positive integeris a positive integer.

Question 27 :
Fill in the blanks.<br>The ------ consists of natural numbers, zero and negative of natural numbers. Zero is called the ------ . ----- is called the multiplicative identity.

Question 34 :
Express the following as a rational number i.e. in the form $\displaystyle \frac{a}{b};$ where a, $\displaystyle b\in I$ and $\displaystyle b\neq 0.$ <br> $0.5625$.<br/>

Question 35 :
If $\displaystyle {\frac{-3}{x}\, =\, \frac{x}{27}}$,&#160;then the value of, $x$ is ............

Question 37 :
For any two rational numbers x and y, which of the following properties are correct?<br/>(i)x &lt; y (ii) x = y (iii) x &gt; y<br/>

Question 38 :
The division of $\displaystyle \frac { 18 }{ 6 }&#160;$ is

Question 40 :
Is zero a rational number? Can you write it in the form $\dfrac{p}{q}$, where $p$and $q$are integers and $ q\ne 0$?