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A solid cylinder has a height of 12 cm and a radius of r cm. A part of the cylinder is melted and molded into two cones. One cone has a radius of 3 cm and a height of 4 cm, while the other cone has a radius of 6 cm and a height of 8 cm. If the ratio of the curved surface area of the original cylinder to the sum of the curved surface areas of the two cones is 4 : 1, find the value of 2r.
27
24
25
26
25
Practice and solve "A solid cylinder has a height of 12 cm and a radius of r cm. A part of the cylinder is melted and mo..." for Mathematics - Previous Year Paper 2024. The correct answer is Option C: 25. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A solid cylinder has a height of 12 cm and a radius of r cm. A part of the cylinder is melted and mo..." for Mathematics - Previous Year Paper 2024. The correct answer is Option C: 25. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.