A solid copper sphere of radius 1.2 cm is converted into a right circular cylinder rod of length 16 cm. The ratio of total surface area of the rod to the sphere is
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Q:
A solid copper sphere of radius 1.2 cm is converted into a right circular cylinder rod of length 16 cm. The ratio of total surface area of the rod to the sphere is
- 17 : 3false
- 27 : 4false
- 37 : 5false
- 47 : 6true
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