Q. The ratio of the curved surface area and volume of a cylinder is 2 : 7. The radius of the cylinder is:
✅ Correct Answer: (A)
7 cm
Explanation: CSA : Volume = 2πrh : πr²h = 2 : r = 2 : 7 ⇒ r = 7 cm.
Explanation by: Mr. Dubey
CSA : Volume = 2πrh : πr²h = 2 : r = 2 : 7 ⇒ r = 7 cm.