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A train going from Delhi to Jaipur stops at 7 intermediate stations. Five persons enter the train during the journey with five different tickets of the same class. How many different sets of tickets they could have?
Dear student According to questions, there r 7 intermediate stations, this means they can have 8 different kind of tickets.Note: J,1,2,3,..7,D are the stationsD->1, D->2,D->3,D->4...D->7,D->JThen if the passengers have the tickets of the same class can may be of same stations, no of tickets possible are 85However if they have tickets of different stations of same coach the permutations are 8*7*6*5*4 RegardsArun
According to questions, there r 7 intermediate stations, this means they can have 8 different kind of tickets.
Note: J,1,2,3,..7,D are the stations
D->1, D->2,D->3,D->4...D->7,D->J
Then if the passengers have the tickets of the same class can may be of same stations, no of tickets possible are 85
However if they have tickets of different stations of same coach the permutations are 8*7*6*5*4
Regards
Arun
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