A bag of grain contains `2.8 m^3` of grain. How many bags are needed to fill a drum of radius 4.2 m and height 5m?

How many cm^2 are in 1 m^2 ?

How many cubic feet are there in a room measuring 5m x 10m x 2m?

Daniel is painting the walls and ceiling of a cuboidal hall with length,breadth and height of 15 m,10 m and 7 m respectively.From each can of paint 100 m^2 of area is painted.How many cans of paint will she need to paint the room?

A rocket is in the form of a circular cylinder closed at the lower end with a cone of the same radius attached to the top. The cylinder is of radius 2.5m and height 21m and the cone has the slant height 8m. Calculate the total surface area and the volume of the rocket.

Curved surface area of a right circular cylinder is 4.4 m^2 . If the radius of the base of the cylinder is 0.7 m, find its height.

A granary is in the shape of a cuboid of size 12mxx6mxx4m . A bag of grain occupies a space of 0.75m^3 . How many bags can be stored in the grnaary?

a circular drum having radius 4.2 m and height 3.5 m, how many bags of rice can be emptied when the space required for rice in each bag is 2.1 cubic m.

A bag A contains 3 white and 2 black balls and another bag B contains 2 white and 4 black balls. A bag and a ball out of it are picked at random. What is the probability that the ball is white?