Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

In how many ways can 9 persons sit around a table so that all shall not have the same neighbours in any two arrangements?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer
Persons can sit at a round table in  ways. But in clockwise and anti-clockwise arrangement, every person will have the same neighbours.
So, the required numbers of ways are
Answered by | 04 Jun, 2014, 03:23: PM

Concept Videos

Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment
Answered Unanswered My Questions My Answers
CBSE 11-science - Maths
the number of words which can be formed out of the letters of the word PARTICLE so that vowels occupy even place is
Asked by ismayilpmamu | 09 Apr, 2020, 10:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
How many words can be formed by taking 4 letters at a time out of the letters of the words MATHEMATICS? 
Asked by Kashifimam866 | 20 Feb, 2019, 05:58: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
Find the no. Of arrangements  of the letters of the  word Delhi if e always  comes before i.
Asked by Sh1989kishore | 22 Oct, 2018, 10:12: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
From a group of 15 cricket players, a team of 11 players is to be chosen. In how many ways can this be done?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
In how many ways can 5 girls and 3 boys be seated in a row so that no two boys are together?
Asked by Topperlearning User | 13 Sep, 2016, 02:58: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
In how many ways can 9 persons sit around a table so that all shall not have the same neighbours in any two arrangements?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
How many triangles can be obtained by joining 12 points, five of which are collinear?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
A student has to answer 10 questions, choosing at least 4 from each of part A and part B. If there are 6 questions in Part A and in part B, in how many ways can the student choose 10 questions?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
If 8 parallel lines in a plane are intersected by a family of 10 parallel lines. Find the number of parallelograms formed?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
From a class of 25 students, 10 are to be chosen for an excursion party there are 3 students who decide that either all of them will join or none of them will join. In how many ways can they be chosen? Now a day's teenager's behavior is highly influenced under peer pressure without considering its pros and cons. Do you think that teachers' suggestion plays an important role in development of students' life?
Asked by Topperlearning User | 13 Sep, 2016, 03:04: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt

Be a Top Scorer in the Exam with Test Series and Test Generator!

Enrol Now
×