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Volume and Surface Area of Solid Figures

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  1. A right cylindrical vessel is full with water. How many right cones having the same diameter and height as those of the right cylinder will be needed to store that water ?
    1. 2
    2. 3
    3. 4
    4. 5
Correct Option: B

Let N cones be needed
Then, 1/3 πr2 h x N = πr2h
⇒ N = 3


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