Question 2 :
Which number should come in place of $\Box $?<br>$\cfrac { 1 }{ 7 } +\cfrac { 2 }{ 7 } +\cfrac { \Box }{ 7 } =1\cfrac { 3 }{ 7 } $

Question 3 :
If $p - q = q - p$, when $p, q \neq 0$, then

Question 5 :
I'm going to place a rope around the perimeter of our school playground that is in the shape of an octagon. The sides are $10\ \text{m}, 10\ \text{m}, 8\ \text{m}, 8\ \text{m}, 5\ \text{m}, 5\ \text{m}, 9\ \text{m}$ and $9\ \text{m}$. How many metres of rope will be needed for the perimeter?

Question 8 :
A farmer has enough food to feed $20$ animals in his cattle for $6$ days. How long would the food last if there were $10$ more animals in his cattle?<br>

Question 11 :
What is the degree measure of the acute angle formed by the hands of a 12-hour clock that reads exactly 2 o'clock?

Question 15 :
Rajiv is setting off from London for a business trip to France. He converts190 to euros. How many euros will he receive?

Question 16 :
$\displaystyle &#160;\frac { 1 }{2 } of\ 20\ km =&#160;$ ............. m

Question 19 :
Let, $x, y$ and $z$ are the natural numbers. Which of the following statements is true?<br/>I) If $x$ is divisible by $y$ and $y$ is divisible by $z$, then $x$ must be divisible by $z$.<br/>II) If $x$ is a factor of $y$ and $z$, then $x$ must be a factor of $y + z$.<br/>III) If $x$ is a factor of $y$ and $z$, then $x$ must be a factor of&#160;$\displaystyle \frac{y}{z}$.

Question 20 :
Find the area of an equilateral triangle with side P cm.<br>Find the area of a triangle whose base is 12cm and height is $5\sqrt 2 cm.$

Question 21 :
The relationship between a whole and its part isgraphically represented using ______.

Question 22 :
In any pie chart the sum of the central angles is

Question 23 :
If a cellphone costs Rs.$999$. What is the cost of $12$ such cellphones?

Question 25 :
How many rational numbers exist between any two distinct rational numbers?

Question 26 :
The radius of a cone is $\sqrt2$ times the height of the cone. A cube of maximum possible volume is cut from the same cone. What is the ratio of the volume of the cone to the volume of the cube?

Question 27 :
If a box is $\dfrac{1}{4}$ filled contains $5$ small cubes each of volume $1$ cubic units then find out the volume of the box.

Question 28 :
How many small cubes with edge of 20 cm each can be just accommodated in a cubical box of 2 m edge

Question 29 :
When working with symmetry, which image is called as pre-image ?

Question 30 :
Which of these objects would likely NOT have symmetry of any kind?