Question 4 :
State whether the statement is True or False.Evaluate: $(6-5xy)(6+5xy)$ is equal to $36-25x^2y^2$.
Question 5 :
If $\displaystyle a+b=7 \ and \ ab=6 \, ,find \ a^{2}-b^{2}$<br/>
Question 8 :
Fill in the blank:<br/>The volume of the cube is $\displaystyle 4913{ in }^{ 3 }$. It's side is ____
Question 9 :
The volume of a cylinder is 3080$cm^3$ and radius is 7 cm, height is---
Question 10 :
Calculate the volume of a dice with the dimession $13$ m $\times$ $13$ m $\times 13$ m
Question 11 :
The volume (in $m^{3}$) of cube whose diagonal is $2.5$ meter is: 
Question 12 :
A right circular cylinder has a volume of $81\pi$. If the circumference of the base is $6\pi$, what is the height?
Question 13 :
If the surface area of a cube is $384$ sq.m, then its volume is
Question 14 :
Find the surface area of a cube in square inches, whose each edge measures $3$ inches.
Question 15 :
If the side of a cube is 8.004 cm, then its approximate volume is
Question 16 :
State whether true or falseCharge of an electron is 0.000,000,000,000,000,000,16 coulomb is equal to $1.6\times10^{-19}$ coulomb.<br/>
Question 17 :
If $\dfrac {p}{q} = \left (\dfrac {2}{3}\right )^{3} \div \left (\dfrac {3}{2}\right )^{-3}$, then the value of $\left (\dfrac {p}{q}\right )^{10}$ is _______.
Question 19 :
If the exponent of a negative integeris even then the result is a ............ integer.
Question 20 :
<br/>Size of a plant cell is 0.00001275 m is equal to $1.275\times10^{-m}$.<br/>The value of $m$ is 
Question 24 :
$4^{3} + 4^{3} + 4^{3} + 4^{3} = 2^{x}$<br/>In the equation above, calculate the value of $x$.<br/>
Question 25 :
State the following statement is True or False<br>$9.954\times 10^4$ can be written as $9954$
Question 27 :
If $2^{3x - 2} = 16$, then calculate the value of $x $.
Question 28 :
The value of ${ \left[ { \left( { 3 }^{ 2 } \right) }^{ 2 } \right] }^{ -1 }$ is-
Question 31 :
If $7^n\times 7^3 = 7^{12}$, what is the value of $n$?<br>
