3 votes 3 votes There are $5$ hotels on a road. If $4$ men go into the hotel at $11$ am, then the probability that each go into a different hotel is ______. Verbal Aptitude tbb-aptitude-2 numerical-answers + – Bikram asked Nov 30, 2016 • edited Aug 14, 2019 by go_editor Bikram 338 views answer comment Share Follow See 1 comment See all 1 1 comment reply GauravRajpurohit commented Jan 19 reply Follow Share number of ways in different hotels is calculated in this way: we have a total of 5 hotels and 4 different people so for that we have $\binom{5}{4}$ ways and in that those 4 people are getting permute in 4! ways 0 votes 0 votes Please log in or register to add a comment.
Best answer 6 votes 6 votes Total ways to check in to hotels $ = 5^4$ Ways in which they go in different hotels $ = \binom 5 4*4!$ Required probability $= \frac{5*4*3*2}{5^4} = 0.192$ thor answered Dec 29, 2016 • selected Dec 29, 2016 by Arjun thor comment Share Follow See 1 comment See all 1 1 comment reply Vamp thehacker commented Sep 6, 2017 reply Follow Share From where to practice this type of Questions ? 0 votes 0 votes Please log in or register to add a comment.
