The radius of a circular cylinder is the same as that of

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The radius of a circular cylinder is the same as that of a sphere. Their volumes are equal. The height of the cylinder is ?

1. 4/3 times its radius
2. 2/3 times its radius
3. Equal to the radius
4. Equals to its diameter

Correct Option: A

∵ 4/3 πr³ = πr² h
⇒ h = 4/3 r
∴ Height = 4/3 times its radius.