Mensuration-II ...

A beam 9 m long, 40 cm wide and 20 cm high is made up of iron which weighs 50 kg per cubic metre. The weight of the beam is:

The maximum length of rod that can be kept in a rectangular box of dimensions 8 cm × 6 cm × 2 cm, is:

A wall 8 m long 6 m high and 22.5 cm thick is made up of bricks each measuring (25 cm × 11.25 cm × 6 cm). The number of bricks required is:

A rectangular block 6 cm × 12 cm × 15 cm is cut up into exact number of equal cubes. The least possible number of cubes will be:

Three cubes of iron whose edges are 6 cm, 8 cm and 10 cm respectively are melted and formed into a single cube. The edge of the new cube formed is:

The surface area of a cube is 600 cm. The length of its diagonal is:

The sum of the length, breadth and depth of a cuboid is 19 cm and its diagonal is 5√5 cm. Its surface area is :

Given that 1 cu cm of marble weighs 25 gms, the weight of a marble block 28 cm in width and 5 cm thick is 112 kg. The length of the block is

The volume of a wall, 5 times as high as it is broad and 8 times as long as it is high, is 12.8 cu metres. The breadth of the wall is:

In a shower 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is :