1.

Six persons A, B, C, D, E, F are to be seated at a circular table. If A should have either B or C on his immediate right and B must always have either C or D on his immediate right. Then the total number of possible arrangements is

Answer» Six persons A, B, C, D, E, F are to be seated at a circular table. If A should have either B or C on his immediate right and B must always have either C or D on his immediate right. Then the total number of possible arrangements is


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