Question
Download Solution PDFAt a round table, n persons are seated on n chairs. The probability that two friends from same college are sitting next to each other, is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF
Explanation
At round table n persons are seated on n chairs.
One chairs is fixed for one person = 1
∴ n -1 persons are left
Two friends want to sit together then the friend of one= 2nd person can occupy chair on the right or left.
If first is A then sitting arrange may be AB or BA so possibility of sitting together will be on right or left from him out of (n – 1) chairs
∴ The possible probability be 2/(n – 1)
Last updated on Jun 25, 2025
-> The SSC CGL Notification 2025 has been released on 9th June 2025 on the official website at ssc.gov.in.
-> The SSC CGL exam registration process is now open and will continue till 4th July 2025, so candidates must fill out the SSC CGL Application Form 2025 before the deadline.
-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.
-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.
-> Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.
-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.
-> The CGL Eligibility is a bachelor’s degree in any discipline.
-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.
-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.
-> Candidates should also use the SSC CGL previous year papers for a good revision.
->The UGC NET Exam Analysis 2025 for June 25 is out for Shift 1.