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Question -

A wooden toy is in the form of a cone surmounted on a hemisphere. The diameter of the base of the cone is 16 cm and its height is 15 cm. Find the cost of painting the toy at ₹7 per 100 cm2.



Answer -

Diameter of toy = 16 cm
Radius (r) = 16/2 = 8 cm
Height of conical part (h) = 15 cm

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