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| 1. |
A cube having all of its sides painted is cut to be two horizontal , two vertical and other two planes, so as to form 27 cubes all having the same dimesions of these cubes, a cube is selected at random. If `P_3` be the probability that the cube selected has none of its sides painted, then the value of `27P_3`, isA. 1B. 2C. 3D. 5 |
| Answer» Correct Answer - (a) | |