Mensuration Tes...

Peter is a farmer and wants to buy a field which is in the shape of a trapezium. Its side along the river is parallel to the river bank and twice the side along the road. If the area of the field is 12600 m² and the perpendicular distance between the two parallel sides is 100 m, the of side along the river is:

The external diameter of an iron pipe is 25 cm and its length is 20 cm. If the thickness of the pipe is 1 cm, find the sum of inner and area of the pipe. (Take 𝜋 3.14)

A cylinder that is open at both ends is made of 1.5 cm thick metale. Its external diameter is 12 cm and height is 84 cm. The volume of metal in making the cylinder is:

 A rectangular block of ice measures 40 cm by 25 cm by 15 cm. Calculate its weighs if ice weighs 9/10 of the weight of the same volume of water and 1 cm3 of water weighs 1 g.

A room is in the form of a cuboid of measures 60m× 40m×30m . How many cuboidal boxes can be stored in it if the volume of one box is 0.8m³?

The earth taken out from a pit is evenly spread over a rectangular field of length 90 m and width 60 m. If volume of the earth dug is 3078m³ then the field is raised by:

 If the rainfall on a certain day was 5 cm, then how many litres of water fell on 1 hectare field on that day?

What is the weight (in kg) of a cubical block of ice 50 cm in length if one cubic metre of ice weighs 900 kg?

A beam 5 m long and 40 cm wide contains 0.6 cubic metre of wood How thick is the beam?

The paint in a certain container is sufficient to paint an area equal to 9.375 m². How many bricks measuring 22.5cm × 10cm × 7.5cm can be painted out of this container?