A sphere of radius r has the same volume as that of a

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A sphere of radius r has the same volume as that of a cone with circular base of radius r. Find the height of the cone. ?

1. 2r
2. r/3
3. 4r
4. (2/3)r

Correct Option: C

Given that,
Volume of sphere = Volume of cone
⇒ (4/3)πr³ = (1/3)πr²h
⇒ 4r = h