profile-img
Vijay posted an Question
July 08, 2022 • 19:25 pm 30 points
  • CSIR NET
  • Mathematical Sciences

26. three letters are written to difierent persons and addresses on the envelops are alse wrilen. witheut leoking at the addresses, the letters are put in to th

26. Three letters are written to difierent persons and addresses on the envelops are alse Wrilen. Witheut leoking at the addresses, the letters are put in to the cnvelops: the prhabiliy thar letors se into riglht onnelops is B (A) 27 (C) 9

2 Answer(s) Answer Now
  • 0 Likes
  • 2 Comments
  • 0 Shares
  • Nav

    There are three letter and three envelope we put letter into envelope by 3! ways therefore required probability is 1/6

  • Pankaj dwivedi Best Answer

    Check the answer There are three letter and three directed envelope therefore they can be put into envelope such as 3p3=3factorial=6 ways out of only one is correct therefore the required probability is 1/6 hence option (b) is correct

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