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1. The ratio between curved surface area and total surface area of a right angle circular cylinder is 2:3 find ratio between height and radius of cylinder.

2 . A shotput is a metallic sphere of radius 4.2 cm. If density of metal is 10 gram per cm sq , find mass of shotput.

3.

A tailor has a piece of canvas whose area is 552 M sq.he uses it to make a conical tent with base radius 7cm.Assuming that all stitching margin and wastage incurred while cutting,amounts

to approximately 2 M sq. Find volume of tent that can be made with it (Also write values).

4. A conical vessel with radius 20 cm and height 30 cm is full of water. The water of the vessel is transferred to cylindrical vessel of radius 8 cm. Find up to what height will the cylindrical vessel fill.

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by rppilania

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