- Have any questions?
- [email protected]
- Home
- A round table conference is to be held among 25 delegates from 25 countries.
Question 1:
A round table conference is to be held among 25 delegates from 25 countries. In how many ways can they be seated if two particular delegates are always to sit together? A. 23!
B. 2! ×23!
Feedback Treating 2 particular delegates who are to sit together as one person, we have only 24 persons. These 24 persons can be seated at a round table in 23! Ways. But 2 particular persons can be arranged among themselves in 2! ways.
∴ Required no =2!×23!
∴ Required no =2!×23!
C. 3! ×23!
D. None of these
These questions are from this test. Would you like to take a practice test?