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A solid is composed of a cylinder with hemispherical ends. If the whole length of the solid is 104 cm and the radius of each of the hemispherical ends is 7 cm, find the cost of polishing its surface at the rate of Rs `10\ p e r\ d m^2`

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The solid is composed of a cylinder with hemispherical ends. If the whole length of the solid is 108cm and the diameter of the hemispherical ends is 36cm, find the cost of polishing the surface of the solid at the rate of 7 paise per sq. cm (U s epi=(22)/7)

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RD SHARMA ENGLISH-SURFACE AREAS AND VOLUMES-All Questions
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