It is required to seat 5 men and 4 women in a row so that the women occupy the even places How many ...........

Quantitative Aptitude ( CCS) Permutation & Combination

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?

2880

2480

3680

3280

छोटे Courses बड़े Results

Master Permutation & Combination

Prepare through Micro-courses

Try Now

Explanation:

According to the problem women will sit at the even places (2,4,6 and 8).
They can be seated in P(4,4)=4!=24 ways
Men will sit on the odd seats =(1,3,5,7 & 9 ways)
They can sit on these seats in
P(5,5)=5!
⇒5×4×3×2×1
⇒120 ways
If total number of ways P then
P=24×120
=2880