A round table conference is to he held between delegates of 20 countries. In how many ways can they be seated if two particular delegates are (a) always together? (b) never together?
Answers
Answer:
18! * 2 ways
(19! - 2*19) ways
Step-by-step explanation:
According to the question there are two major conditions the first condition is when the two delegates will be together and second condition is when the delegates will not be together.
Now if the two delegates will always sit together that means we can consider them as one therefore they can be arranged in 18! ways.
Again the two delegates can be interchanged among themselves so, we will have = 18! * 2 ways
When the two delegates will never be together. In order to find that we have to subtract the possible arrangements they could sit together from total arrangement that is (19! - 2*19) ways
Answer:
business hotel
airport hotel
homestay hotel
resorts hotel
bar hotel
tuor hotel
Step-by-step explanation: