Re: PROBABILITY

Posted by Mariyaphilip on Apr 21, 2016; 9:11am
URL: http://discussion-forum.276.s1.nabble.com/PROBABILITY-tp7599966p7599972.html

Total ways= 5!
The two siblings can sit among themselves in 2 ways and taken together as one, then 4 people can sit in 4! = 24 ways.
Therefore total = 120 - (24 *2) = 120 - 48 = 72 ways.