Quantitative Apitude-Volume & Surface Area
Quantitative Apitude-Volume & Surface Area
11. Given that 1 cu.cm of marble weighs 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 :
- 36 cm
- 37.5 cm
- 32 cm
- 26.5 cm
12. The volume of a wall, 5times as high as it is broad and 8 times as long as it is high, is 12.8 cu.metres. The breadth of the wall is :
- 30 m
- 40 m
- 22.5 m
- 25 m
13. Half cubic metre of glodsheet is extended by hammering so as to cover an area of 1 hectare. The thickness of the sheet is:
- 0.5 cm
- 0.05cm
- 0.005 cm
- .0005 cm
14. In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is :
- 75 cu.m
- 750 cu.m
- 7500 cu.m
- 75000 cu.m
15. A river 1.5 m deep and 36 m wide is flowing at the rate of 3.5 km per hour. The amount of water that runs into the sea per minute (in cubic metres) is :
- 3150
- 31500
- 6300
- 63000
16. An open box is made of wood 3 cm thick. Its external dimensions are 1.46m, 1.16 m and 8.3 dm. The cost of painting the inner surface of the box at 50 paise per 100 sq.cm is :
- Rs. 277
- Rs. 138.50
- Rs 415.50
- Rs. 554
17. The dimensions of an open box are 50 cm and 23 cm. its thickness is 3 cm. If 1 cubic cm of metal used in the box weights 0.5 gms, the weight of the box is :
- 8.56 kg
- 8.04 kg
- 7.576 kg
- 6.832 kg
18. How many bags of grain can be storedin a cuboid granary 12 m x 6 m x 5 m, If each bag occupies a space of 0.48 cu. metre ?
- 75
- 750
- 480
- 288
19. The number of small cubes with edge 10cm that can be accomodated in a cubical box of 1 metre edge, is :
- 10
- 100
- 1000
- 10000
20. The total surface area of a cuboid is 63200 sq.cm and its length, breadth and height are in the ratio of 8: 5 : 3. The length, breadth and heght of the cuboid are respectively :
- 12 cm, 75 cm, 45 cm
- 128 cm, 80 cm, 48 cm
- 160 cm, 100 cm, 60 cm
- 144 cm, 90 cm, 54 m