Fewpal
+4 votes
185 views
in Mathematics by (127k points)
edited by
It is required to seat 5 men and 4 women in a row so that the women occupy the even places. How many such arrangements are possible ?

1 Answer

+5 votes
by (9.9k points)
selected by
 
Best answer

The arrangement will be MWMWMWMWM 
1 2 3 4 5 6 7 8 9 
Women could occupy even places 2,4,6,8 in 4! ways. 

The 5 mean can occupy the 5 odd places in 5! ways. 
Total number of ways = 4! 5! = (24)(120) = 2,880

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...