The number of solid spheres ,each of diameter 3 cm that could be moulded to form a solid metal cylinder of height 54cm and diameter 4 cm is?
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Qn #1130
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Qn #375
If the areas of three adjacent faces of a cuboid are 150 cm², 90 cm² and 75 cm², what is its volume?
Qn #115
If each edge of a cube is increased by 50%, find the percentage increase in its surface area?