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Aptitude Volume and Surface Area Test Paper 26) In a shower 10 cm of rain falls. What is the volume of water that falls on 1.5 hectares of ground?
Answer: A Explanation: 1 hectare = 10,000 m2 ∴ Volume of water = Area * Depth 7) The dimensions of a piece of iron in the shape of a cuboid are 270 cm x 100 cm x 64 cm. If it is melted and recast into a cube, find the surface of the cube.
Answer: D Explanation: Volume of iron piece = l x b x h 8) Surface area of a sphere is 5544 cm2. Its volume will be
Answer: B Explanation: Surface area of sphere = 4 π r2=5544 cm2 9) If two spheres have their radii in the ratio 2: 3, the ratio of their volumes is
Answer: A Explanation: Let the radius of both the spheres be 'r' and 'R', respectively. 10) The radius of hemisphere is 3 cm. The ratio of its volume to the total surface area is
Answer: D Explanation: Radius of hemisphere = 3 cm Aptitude Volume and Surface Area Test Paper 1 Aptitude Volume and Surface Area Test Paper 3 Aptitude Volume and Surface Area Test Paper 4 Aptitude Volume and Surface Area Test Paper 5 |
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