In a factory for five jobs the members A, B, C, D, E are eligible.
In how many ways the first two jobs can be filled?
| A. | 20 |
| B. | 30 |
| C. | 60 |
| D. | 120 |
Answer : A Explanation : First job can be filled in 5 ways by anyone of the five numbers. Out of the five, if one is selected for the first job, then second job can be filled by the remaining 4 members in 4 ways. Hence number of ways of filling the first and second jobs = 5 x 4 = 20 |
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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. |
