80. Lift Exit Combinations Four persons enter the lift of a seven storey building at the ground floor. In how many ways can they get out of the lift on any floor other than the ground floor? Added 17 October 2011 · Updated 5 July 2026 Show Hint Show Solution Hint: This elevator is in the UK, therefore there are six other floors above the ground floor. Solution: Each person can choose from 6 floors (1 to 6). Therefore, the total number of ways they can exit is 6^4 = 1296.
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