Questions
The number of ways in which seven persons can be arranged at a round table, if two particular persons may not sit together is
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Correct option is A
Remaining 5 can be seated in 4! ways.Now, on cross marked five places 2 person can sit in 5P2,ways. So, number of a:nangements =4!×5!3!=24×20=480 waysSimilar Questions
Three boys and three girls are to be seated around a circular table. Among them the boy X does not want any girl as a neighbour and girl does not want any boy as a neighbour. The number of possible arrangement is:
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