dear sir/madam, i am having doubt in the following question for some time now and iit is on 11th ,so please help...!
In how many ways 10 speakers can speak at a function such that A speaks before B and B speaks before C.
the answer is 10!/3!
i cannot understand how.Please help.
dear sir/madam, i am having doubt in the following question for some time now and iit is on 11th ,so please help...!
In how many ways 10 speakers can speak at a function such that A speaks before B and B speaks before C.
the answer is 10!/3!
i cannot understand how.Please help.