Deepak Bora
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A hollow sphere of external and internal diameters 8 cm and 4 cm, respectively is melted into a solid cone of base diameter 8 cm. Find the height of the cone

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This is one of the important question from the cbse board exam because this question was asked in 2013 C cbse board exam; Question number 31 from RS Aggarwal book page number 829, exercise 17D, chapter volume and surface area of solid.

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