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प्रश्न
The material of a cone is converted into the shape of a cylinder of equal radius. If height of the cylinder is 5 cm, then height of the cone is
विकल्प
10 cm
15 cm
18 cm
24 cm
उत्तर
A cone is converted into a cone.
So,
Volume of cone = Volume of cylinder
`1/3 pi R^2 h = pi R^2 xx 5 `
`h = 15 cm`
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