Please wait...
1800-212-7858 (Toll Free)
9:00am - 8:00pm IST all days
8104911739
For Business Enquiry

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

For any content/service related issues please contact on this toll free number

022-62211530

Mon to Sat - 11 AM to 8 PM

find out

Asked by NikhilD 14th April 2010, 12:08 PM
Answered by Expert
Answer:

(a)  nPm

First person can take any of n seats, 2nd can take any of remaining seat,

hence number of ways,

n(n-1)(n-2)..(n-m+1)

which can be written as,

n!/(n-m)! = nPm

Regards,

Team,

TopperLearning.

Answered by Expert 14th April 2010, 4:07 PM
Rate this answer
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

You have rated this answer /10

Your answer has been posted successfully!

Chat with us on WhatsApp