permutation and combination

This topic contains 4 replies, has 3 voices, and was last updated by  shruti290 5 years, 4 months ago.

  • Author
    Posts
  • #514

    shruti290
    Participant

    no of ways in which three girls and 3 boys (all of diff heights) can be arranged in a line so tht the girls and the boys amongst themselves are in decreasing order of height(frm left to right) is


      Quote
  • #520

    rohit pandey
    Participant

    answer is 2^6


      Quote
    • #524

      shruti290
      Participant

      the correct answer is 20


        Quote
  • #527

    admin
    Keymaster

    The way I have interpreted the QN, I also think the answer is 2^6. There is probably some restriction in the QN that you haven’t mentioned.


      Quote
    • #533

      shruti290
      Participant

      how did u get 2^6


        Quote

You must be logged in to reply to this topic.