Three persons enter a railway compartment. If there are 5 seats vacant, in how many ways can they take these seats?
A. | 60 |
B. | 20 |
C. | 15 |
D. | 125 |
Answer : A Explanation : Mahender said: (3:47pm on Tuesday 8th December 2015)
5p3=5!/2!=5*4*3*2!/2!=60
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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. |