Question Number: #Mat987

In a 12-storey house ten people enter a lift cabin.It is known that they will leave the lift in groups of2,3 and 5 people at different storeys. The number of ways they can do so if the lift does not stop up to the second storey is

A.) 132
B.) 78
C.) 112
D.) 720

Answer is option : D

Question Related Topics:
Permutations and Combinations
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