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


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


Answer is option : D

Question Related Topics:
Permutations and Combinations
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