Tison and Ray refused to stand next to each other

Probability Level pending

How many ways can 8 people stand in a line if Tison and Ray refuse to stand next to each other? Solution will be in the form of 'n' write solution as n^2.


The answer is 914457600.

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

Chirayu Bhardwaj
Aug 11, 2016

Total number of arrangements = 8 ! 8!
Number of arrangements in which Tison and Ray stand next to each other = 2 ( 7 ! ) 2(7!)
Hence total number of arrangements in which Tison and Ray dont stand next to each other are = 8 ! 2 ( 7 ! ) 8!- 2(7!) = n n

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...