MCQOPTIONS
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| 1. |
A man makes complete use of 405 cc of iron, 783 cc of aluminium, and 351 cc of copper to make a number of solid right circular cylinders of each type of metal. These cylinders have the same volume and each of these has radius 3 cm. If the total number of cylinders is to be kept at a minimum, then the total surface area of all these cylinders, in sq cm, is |
| A. | 1044(4 + π) |
| B. | 1026 (1 + π) |
| C. | 8464π |
| D. | 928π |
| Answer» C. 8464π | |