CSIR NET
   Top Resources
Priyanka Langeh posted an Question
April 06, 2021 • 02:15 am 30 points
  • CSIR NET
  • Life Sciences

A permutation is an arrangement of all that here the order of arrangements matters permutations nt of all or part of a set of objects with regard to the order o

A permutation is an arrangement of all that here the order of arrangements matters Permutations nt of all or part of a set of objects with regard to the order of the arangement. Note merical Ability-V aase we have a set of three letters A, B, and C. Consider the different ways by which we can Example1: :Suppose we have 1 _ttors from that set. Each poSSible arrangement would be an example of a permutation. The complete arrange two af nossible permutauons would be AB, BA, AC, CA. RC an A11 nermutations made with the letters A, B, C taking all at a time are (ABC, BCA, CAB, CBA, BAC Example 2: Al ACB Naumber of Permutations NUmber of all permutations ofn things, taken r at a time. is given hu n! P F (n-r)! 5! 5! 5x4x3x2x15x4 =20. 3x2x1 Example 1: P2 = (5-2)! 3 8! 8x7x6x 5x4x3x2X18x7x6 =336. 8! P 5x4x3x 2x1 Example 2: (8-3)! 5! D many different ways can the letters of the word 'LOGIC' be aanged in such a way that sir help me find the value of n elaborately

1 Answer(s) Answer Now
  • 0 Likes
  • 2 Comments
  • 0 Shares
  • comment-profile-img>
    Eduncle best-answer

    Hi Priyanka Refer to below image for the solution. Thank you for asking

    cropped6977326965579447300.jpg
whatsapp-btn

Do You Want Better RANK in Your Exam?

Start Your Preparations with Eduncle’s FREE Study Material

  • Updated Syllabus, Paper Pattern & Full Exam Details
  • Sample Theory of Most Important Topic
  • Model Test Paper with Detailed Solutions
  • Last 5 Years Question Papers & Answers

Sign Up to Download FREE Study Material Worth Rs. 500/-