Six persons A, B, C, D, E, F, are to be seated at a circular table. In how many ways antis be one if A should have either B or C on his right and B must always have either C or D on his right.

Six persons A, B, C, D, E, F, are to be seated at a circular table. In how many ways antis be one if A should have either B or C on his and B must always have either C or D on his right.

Six persons A, B, C, D, E and F are to be seated at a circular table. In how many ways can this be done, if A must always have either B or C on his right and B must always have either C or D on his right?

Six persons A, B, C, D, E and F are to be seated at a circular table . The number of ways this can be done if A must have either B or C on his right and B must have either C or D on his right is

Six persons A, B, C, D, E and Fare to be seated at a circular table. Then the number of ways can this be done if A must always has either B or Con his right and B must always has either C or D in his right is

Four persons A, B, C and D are to be seated at a circular table. In how many ways can they be seated ?

Four persons A, B, C and D are to the seated at a circular table. In how many ways can they be seated ?

six persons A, B, C, D, E and F are to be seated at a circular table facing towards the centre. Then the number of ways that can be done if A must have either E or F on his immediate right and E must have either F or D on his immediate right, is

Suppose that 5 persons A, B, C, D and E sit around a circular table In how many of these arrangements. B and D sit next to each other

Eight persons A, B, C, D, E, F, G and H are seated around a circular table facing the centre. C and E are not adjacent to each other. B is on the immediate left of E. H is on the immediate right of D. There are three persons between B and H. A is adjacent to F. F is on the immediate left of C. If each person interchanges his or her position with the person seated opposite, who will be on the right of D? 1) E 2) F 3) G 4) D 5) None of these

Eight persons A, B, C, D, E, F, G and H are seated around a circular table facing the centre. C and E are not adjacent to each other. B is on the immediate left of E. H is on the immediate right of D. There are three persons between B and H. A is adjacent to F. F is on the immediate left of C. Which of the following is an incorrect pair of persons seated opposite each other? 1) EA 2) DC 3) BA 4) Can’t be determined 5) None of these