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  1. An elevator starts with 5 passengers and stops at 8 different floors if the house. Find out the probability of all the 5 passengers alighting at different floors.
    1. 101/512
    2. 105/512
    3. 107/512
    4. 109/512
    5. None of the above
Correct Option: B

Required probability = favorable number of cases/ total number of
=8P5 / 8 5 = 105/512


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