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Que.16 How many bricks of size 18cm x 12cm x 10cm are required to build a platform in the shape ofa cube of edge 3m.height of a cuboid whose volume is 342m3 and area of the base is 28.5m2. |
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Answer» QUESTION (1) :- How many bricks of size 18cm x 12cm x 10cm are required to BUILD a platform in the shape of a cube of edge 3m. ? Solution :- we know that,
so, → Total number of bricks required = (Volume of platform) / (Volume of a brick) = (300 * 300 * 300) / (18 * 12 * 10) = 12,500 (Ans.) Question (2) :- Find height of a cuboid whose volume is 342m³ and area of the base is 28.5m². ? Solution :- we know that,
so, → Height of cuboid = (Volume) / (Base Area) = (342/28.5) = 12 m . (Ans.) Learn more :- from a solid cylinder whose height is 3.6 cm and diameter 2.1 CM a conical cavity of the same height and the same diamet... A hemisphere of radius 21 cm is completely filled with MILK. There is a hole in the BOTTOM whose radius is 0.1 cm. If ra... |
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