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13. Number of ways in which 4 people can be selected out of 10 people in a row in such a way that exactly 2 persons are consecutive? Option: 105, 75, 11, 91 |
| Answer» 13. Number of ways in which 4 people can be selected out of 10 people in a row in such a way that exactly 2 persons are consecutive? Option: 105, 75, 11, 91 | |