Maths-
General
Easy
Question
Five persons entered the lift cabin on the ground floor of an 8-floor house. Suppose each of them can leave the cabin independently at any floor beginning with the first. Find the total number of ways in which each of the five persons can leave the cabin
i) at any one of the 7 floors
- 57
- 75
- 76
- 56
The correct answer is: 75
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