Arithmetic Questions And Answers :: Volume Surface Area: part7

6.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 m3. The breadth of the wall is :

7.A river 2 m deep and 45 m wide is running at the rate of 3 km/hr. The amount of water that runs into the sea per minute, is :

8.A tank 3 m long, 2 m wide and 1.5 m deep is dug in a field 22 m long and 14 m wide. If the earth dug out is evenly spread out over the field, the rise in level of the field will be :

9.Two cubes have volumes in the ratio 1 : 27. The ratio of their surface areas is :

10.Given that 1 cubic cm of marble weight 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 :