A metallic sphere of radius 10.5 cm is m...

A metallic sphere of radius `10.5` `cm` is melted and then react into small cones, each of radius `3.5` `cm` and height `3` `cm.` The number of such cones will be

A

`21`

B

`63`

C

`126`

D

`130`

Text Solution

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The correct Answer is:

C

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RS AGGARWAL-VOLUME AND SURFACE AREA OF SOLIDS-Multiple Choice Questions (Mcq)

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