Surface Area and Volume

Front

Surface area of Ramana's top when painted with crayons.

Back

CSA of cone + CSA of a Hemisphere

Front

A cone and a cylinder have heights in the ratio 4:5 and diameters in the ratio 3:2. Find the ratio of the volume of the cone to the cylinder.

Back

3:5

Front

A ................ is a solid or a hollow object that has a circular base and a circular top of the same size.

Back

Cylinder

Front

A cylinder and a cone have the same base radius and height. Ratio of volume of cylinder to that of the cone is: 1:2, 2:3, 3:1, 1:3

Back

3:1

Front

A toy is in the form of a cone mounted on a hemisphere of common base radius 7 cm. The total height of the toy is 31 cm. Find the total surface area of the toy.

Back

858

Front

If the ratio of the radius of a cone and a cylinder of equal volume is 3:5, find the ratio of their heights.

Back

25/3

Front

Ram has a semicircular disc. He rotates it about its diameter by 360°. What is the name of the object/shape that exactly occupies the volume swept?

Back

Sphere

Front

A circus tent is cylindrical to a height of 4m and conical above it. If its diameter is 105m and its slant height is 40m, the total area of canvas required in m² is? Options: 1760, 2640, 3960, 7920

Back

7920

Front

A sphere of radius 6 cm is dropped into a cylindrical vessel partly filled with water. The radius of the vessel is 8 cm. If the sphere is submerged completely, then the surface of the water rises by

Back

4.5 cm

Front

A cylindrical vessel 32cm high and 18cm as radius of the base is filled with sand. This is emptied on the ground and a conical heap is formed. If the height of the conical heap is 24 cm, what is the radius of its base?

Back

36 cm