This question was asked in Ex 4.4, 2
A cube and cuboid have same volume.The dimensions of the cuboid are in the ratio 1:2:4.If the difference between the cost of polishing the cube and cuboid at the rate of RS.5 per meter square in Rs.80, find their volumes.

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Laxmi sharma Laxmi sharma
Feb. 19, 2020, 11:59 p.m.