Question 1 :
If radius of a sphere is doubled, how many times its volume will be affected
Question 2 :
If the area of the base of a cone is 770 $ \displaystyle cm^{2} $and the curved surface area is 814 $ \displaystyle cm^{2} $ then its volume is
Question 3 :
A cone of semi-vertical angle $\displaystyle \alpha $ is inscribed in a sphere of radius $2$ cm. The height of the cone is 
Question 4 :
If the radius of a sphere is doubled then the volume of a sphere becomes
Question 5 :
Two right circular cones of dimensions h=4.1, r=2.1 cm and h = 4.3 cm, r = 2.1 cm are melted to form a sphere of radius
Question 6 :
Two solid cylinders, one with diameter $60$ cm and height $30$ cm and the other with radius $30$ cm and height $60$ cm are melted and recasted into a third solid cylinder of height $10$ cm. Find the diameter of the cylinder formed.
Question 7 :
Circumference of the base of the cone is $154 cm$. Its slant height is $7 cm$. Curved surface area of the cone is:<br/>
Question 8 :
The total surface area of a solid cylinder is $616$ $cm^2$. If the ratio between its curved surface area and total surface area is $1 : 2$; find the volume of the cylinder.
Question 9 :
The formula for the volume of a sphere is $V = \dfrac {4}{3}\pi r^{3}$, and the formula for the surface area of a sphere is $A = 4\pi r^{2}$. If a sphere has a surface area of $36\pi$, what is its volume?
Question 10 :
A hollow cone is cut by a plane parallel to the base and the upper portion is removed. If the curved surface of the remainder is $\dfrac {8}{9}$ of the curved surface of wholecone, find the ratio of the line-segment into which the cone's altitude is divided by the plane
Question 11 :
Three solid metallic spheres of radii $6$, $8$ and $10$ centimetres are melted to form a single solid sphere. The radius of the sphere so formed is __________.
Question 12 :
A cube with  an edge length $4$ is divided into $8$ identical cubes. Calculate the difference between the combined surface area of the $8$ smaller cubes and the surface area of the original cube.
Question 13 :
Calculate the volume of a cone if the height is $22$ cm and radius is $14$ cm . (Assume $\displaystyle \pi =\frac { 22 }{ 7 } $)
Question 14 :
A right triangle with its sides $5 cm$ and $13 cm$, is revolved at the side $12 cm$. The solid so formed is
Question 15 :
Find the ratio of the volume of sphere $A$ to sphere $B$, if the ratio of the surface area of sphere $A$ to the surface area of sphere $B$ is $729:1$.