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Question

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A toy is in the form of a cone mounted on a hemisphere of radius 3.5. cm. The total height of the toy is 15.5. Find the total surface area of the toy. (use $straight pi$ = 22/7)

Solution

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Ans. 214.5 cm²

Some More Questions From Statistics Chapter

A vessel is in the form of an inverted cone. Its height is 8 cm and the radius of its top, which is open, is 5 cm. It is filled with water up to the brim. When lead shots, each of which is a sphere of radius 0.5 cm are dropped into the vessel, one-fourth of the water flows out. Find the number of lead shots dropped in the vessel.

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