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## If the length, breadth and height of a solid cube are in the ratio 4 : 3 : 2 and total surface area is 832 cm2. Find its volume.

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This is very simple question From NCERT maths Class 10th, here we have to find the volume of cuboid and ...Read more

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## A solid iron pillar has some part in the form of a right circular cylinder and the remaining in the form of a right circular cone. The radius of the base of each part is 8 cm. The cylindrical part is 240 cm high and the conical part is 36 cm high. Find the weight of the pillar, if the density of iron is 7.8 gm

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I always get stuck in these type of questions, can some one help me to find the answer for this ...Read more

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## An open container made up of a metal sheet is in the form of a frustum of a cone of height 8 cm with radii of its lower and upper ends as 4 cm and 10 cm respectively. Find the cost of oil which can completely fill the container at the rate of Rs. 50 per litre. Also, find the cost of metal used, if it costs Rs. 5 per 100 cm2.

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In this question, we have to find two things (i) Cost of oil which can completely fill the container at the ...Read more