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

The length of a cuboidal refrigerator is twice its breadth and its height is 3m.If the area of the four walls including the door of the refrigerator is 105cm^2 then find the volume of the refrigerator.

The length , breadth , and thickness of a sheet are respectively 4.234 m , 1.005 m, and 2.01 cm find the area and the volume of the sheet to correct number of significant figure

The length and breadth of a rectangular field are 38m and 32m respectively.The path of uniform width exists within the field along its boundary.If the area of the both is 600 m^2 ,find the width of the path.

The breadth of a rectangle is 5 cm. and its area is 100 m^2 . Find the length of the rectangle.

A flooring tile has the shape of a parallelogram whose base is 24 cm and the corresponding height is 10 cm. How many such tiles are required to cover a floor of area 1080 m^2 ? (If required you can split the tiles in whatever way you want to fill up the corners).

A person trying to lose weight (dieter) lifts a 10 kg mass, one , thousand times, to a height of 0.5 m each time. Assume that the potential energy lost each time she lowers the mass is dissipated, (a) How much work does she do against the gravitational force? (b) Fat supplies 3.8 xx 10^7 J of energy per kilogram which is converted to mechanical energy with a 20% efficiency rate. How much fat will the dieter use up?

How many meters of cloth 5m wide are needed to make a conical tent of base radius 7 m and height 24 m?

A milk tank is in the form of cylinder whose radius is 1.5 m and length 7 m. Find the quantity of milk in litres that can be stored in the tank.

A horse is tied to a peg at one corner of a square shaped grass field of side 15 m by means of a 5 m long rope. Find the area of that part of the field in which the horse can graze and the increase in the grazing area if the rope were 10 m long instead of 5 m.

The soil dug out from a plot of land of length 50m and breadth 40m to a depth of 7m was evenly spread out over a plot of land of size 200mxx150m .Find the increased height of the second plot of land as a result of the spreading out of the soil.