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Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 13 - Surface Areas and Volumes > Hanumappa and his wife Gangamma are busy making Jaggery out of sugar-cane. They have processed the sugar cane juice to make the molasses which is poured into moulds of the shape shown in the figure. It will be cooled to solidify in this shape to be sent to the market. Each mould is in the shape of a frustum of a cone having the diameters of its two circular ends as 30cm and 35cm and the height of the mould is 14cm. If each cm^3 of molasses weighs about 1.2gm, find the weight of molasses that can be poured into each mould (Take π=22/7)

Hanumappa and his wife Gangamma are busy making Jaggery out of sugar-cane. They have processed the sugar cane juice to make the molasses which is poured into moulds of the shape shown in the figure. It will be cooled to solidify in this shape to be sent to the market. Each mould is in the shape of a frustum of a cone having the diameters of its two circular ends as 30cm and 35cm and the height of the mould is 14cm. If each cm^3 of molasses weighs about 1.2gm, find the weight of molasses that can be poured into each mould (Take π=22/7)

A copper rod of diameter 1 cm and length 8 cm is drawn into a wire of length 18 m of uniform thickness. Find the thickness of the wire.