Eight people enter an elevator. At each of four floors atleast one person leaves the elevator a...
1,321 views · Published 11 October 2018 · 5:22 · Indexed 4 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Eight people enter an elevator. At each of four floors atleast one person leaves the elevator after which elevator is empty. The number of ways in which this is possible is :
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