A group of 5 pair of friends went for movie; each pair contains a male and a female. in how many different ways can they be arranged to sit on chairs in theatre which kept in straight line such that each male and female should sit alternatively....
a.24800
b.28800
c.24400
d.26600

• M1F1M2F2M3F3M4F4M5F5=5!*5!
  OR
  F1M1F2M2F3M3F4M4F5M5=5!*5!
  =2*5!*5!
  =28800
  ans
  Enjoy....
  
• 9 years agoHelpfull: Yes(11) No(0)