1.
The radius of the cylinder is half its height and area of the inner part is 616 sq. cms. Approximately how many litres of milk can it contain ?

2.
The capacity of a cylindrical tank is 246.4 litres. If the height is 4 metres, what is the diameter of the base ?

3.
A boat having a length 3 m and breadth 2 m is floating on a lake The boat sinks by 1 cm when a man gets on it. The mass of man is :__________?

4.
The areas of the three adjacent faces of a rectangular box which meet in a point are known. The product of these areas is equal to :___________?

5.
The edges of a cuboid are in the ratio 1 : 2 : 3 and its sunface area is 88 cm². The volume of the cuboid is :_________?

6.
What is the volume of a cube (in cubic cm) whose diagonal measures 4√3 cm ?

7.
A cuboidal, block of 6 cm X 9 cm X 12 cm is cut up into an exact number of equal cubes. The least possible number of cubes will be_________?