The length of the longest rod that can be placed in a room of dimensions (10m × 10m × 5m) is

The length, breadth and height of a cuboid are 15 m, 6 m and 5 dm respectively. The lateral surface area of the cuboid is

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

What is the maximum length of a pencil that can be placed in a rectangular box of dimensions (8cm × 6cm × 5cm)?
(Given )

The number of planks of dimensions (4m × 5m × 2m) that can be stored in a pit which is 40, long 12 m wide and 16 m deep, is