1.
The surface area of a cube is 726m2, its volume is?

2.
The height of two right circular cones are in the ratio 1:2 and their perimeters of their bases are in the ratio 3:4, the ratio of their volume is_________?

3.
Surface area of two spheres are in the ratio 1:4 what is the ratio of their volumes?

4.
The diameters of two spheres are in the ratio 1:2 what is the ratio of their volumes?

5.
The diameters of two spheres are in the ratio 1:2 what is the ratio of their surface area?

6.
The sides of a cube are in the ratio 1:2 the ratio of their volume is__________?

7.
A rectangular field 30 m long and 20 m broad. How much deep it should be dug so that from the earth taken out, a platform can be formed which is 8 m long, 5.5 m broad and 1.5 m high where as the earth taken out is increase by 10/5?

8.
Calculate the number of bricks, each measuring 25 cm * 15 cm * 8 cm required to construct a wall of dimensions 10 m * 4 m * 5 m when 10% of its volume is occupied by mortar?

9.
If in a box of dimensions 6 m * 5 m * 4 m smaller boxes of dimensions 60 cm * 50 cm * 40 cm are kept in it, then what will be the maximum number of the small boxes that can be kept in it?

10.
A brick measures 20 cm * 10 cm * 7.5 cm how many bricks will be required for a wall 25 m * 2 m * 0.75 m?

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