The correct answer is B
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A well with 20 m inside diameter is dug 10 m deep. Soil taken out of it has been evenly spread all around it to a width of 30 m to form an embankment. F...
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A solid cube, whose edge is of length 60 cm, is melted. Identical solid cubes, each of volume 216 cm3, are made of this molten cube, without ...
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A right circular cylinder having total surface area of 18480 cm2 is immersed in a vessel completely filled with water. If the height of the c...
A rectangular piece of copper foil of length 56 cm and area 616 cm2 is folded along its width to form a cylinder such that there is only one ...
