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


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


Mon to Sat - 11 AM to 8 PM

CBSE - XI Science - Mathematics - Vector Algebra

How to solve complicated problems on permutations and combinations

Asked by 26th February 2008, 7:56 PM
Answered by Expert


Analyize the question. Read the question clearly and see what is given in the problem and what is needed to solve.

See the problem is of permutation or combination.

The basic rule is that if the order of selection matters, then it is a permutation and if the order of selection does not matter, then it is a combination

for example This is permutation problem

 An organization surveys viewers  and asks for their favorite and least favorite shows from a list of 10shows. How many possible responses are there?

There are 10! responses.

Answered by Expert 28th February 2008, 1:38 PM

Rate this answer

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

You have rated this answer /10

Report an issue
Your answer has been posted successfully!

Related Question

Answered by Expert
Answered by Expert