Question Text
Question 1 :
The digit in the ten's place of a two-digit number is three times that in the one's places if the digits are reversed the new number will be 36 less than the original number Find the number
Question 4 :
Find the product :$\displaystyle \left ( a^{2}+b^{2} \right )\left ( a^{4}+b^{4} \right )\left ( a+b \right )\left ( a-b \right )$
Question 6 :
How many pairs of natural numbers are there so that difference of the square of the first tois 60 ?<br>(Note : If (a,b) is a pair satisfying , we will not consider (b,a) as a pair)
Question 9 :
The sum of radius of the base and the height of a solid cylinder is $37 m$. If the total surface area of the cylinder be $1628{ m }^{ 2 }$, find the volume.
Question 10 :
What is the total surface area of a cube whose side is $0.5 $ cm?
Question 11 :
If the volume of a right circular cylinder with its height equal to the radius is $25\dfrac{1}{7}$, then the radius of the cylinder of is equal to 
Question 14 :
Factorize the following expressions<br/>$p^2 + q^2 + r^2 + 2pq + 2qr + 2 rp$