Mensuration

In finding "quantity of water inside a bottle" which of the following can be calculated ?

• Volume

• Area

• Perimeter

• None.

What are the 3D shapes observed in the figure

• Two hemispheres and Cylinder

• Two spheres and Cylinder

• Cylinder and two Cones

• Cone and Cylinder

What are the solid shapes observed in a cone ice cream ?

• Cone and Hemisphere

• Cone and Sphere

• Two spheres

• Two cones

If r is radius and h is height of a cylinder then its volume is calculated by

• $\pi r^2h$

• $\frac{1}{3}\pi r^2h$

• $\frac{4}{3}\pi r^2h$

• $2\pi rh$

The total surface area of a cube whose edge is 4 cm is

• $96\ cm^2$

• $64\ cm^2$

• $48\ cm^2$

• $24\ cm^2$

If a cone and a cylinder have same radius and height then volume of cylinder is _____________ times volume of cone.

• 3

• 2

• $\frac{1}{3}$

• $\frac{1}{2}$

For a cone r is radius, h is height, l is slant height then Curved surface area of a Cone is given by

• $\pi rl$

• $2\pi rh$

• $\pi rh$

• $\frac{1}{3}\pi r^2h$

Match boxes, bricks are examples for

• Cuboid

• Cube

• Cylinder

• Cone

In a cone the relation among  $l$  , r, h is

•  $l^2=r^2+h^2$  

•  $r^2=l^2+h^2$  

•  $h^2=r^2+l^2$  

• None

Volume of a Sphere whose radius is r is

• $\frac{4}{3}\pi r^3$

• $\frac{2}{3}\pi r^3$

• $\frac{1}{3}\pi r^3$

• $4\pi r^2$