10 cubic metres clay is uniformly spread on a land of area 10 ares. The rise in the level of the ground is

The area of the floor of a room is 15 m². If its height is 4 m, then the volume of the air contained in the room is

The cost of constructing a wall 8 m long, 4 m high and 20 cm thick at the rate of Rs. 25 per m³ is

Volumeof a cuboid is 12 cm³. The volume (in cm³) of a cuboid whose sides are double of the above cuboid is

If the sum of all the edges of acube is 36 cm, then the volume (in cm³) of that cube is