Ramesh has 6 friends. In how mallY ways can he invite one or more of them at a dinner?
| A. | 61 |
| B. | 62 |
| C. | 63 |
| D. | 64 |
Answer : C Explanation : |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
