A wooden solid is made up of a cylinder with hemispherical ends. If the whole length of the solid is 84 cm and radius of each hemispherical end is 7 cm, find the cost of polishing its surface at the rate of 50 paisa per sq. cm.

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03-12-2022
Mathematics

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A wooden solid is made up of a cylinder with hemispherical ends. If the whole length of the solid is 84 cm and radius of each hemispherical end is 7 cm, find the cost of polishing its surface at the rate of 50 paisa per sq. cm.

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