One Indian and four American men and their wives are to be seated randomly around a circular table. Then the conditional probability that the Indian man is seated adjacent to his wife given that each American man is seated adjacent to his wife is

How many ways are there to seat n married couples (ngeq3) around a table such that men and women alternate and each women is not adjacent to her husband.

The probability that married man watches certain TV show is 0.4 and the probabi9lity that a married woman watches the show is 0.5. the probability that a man watches the show, given that his wife dies, is 0.7. then (a)the probability that married couple watches the show is 0.35 (b)the probability that a wife watches the show given that her husband does is 7/8 (c)the probability that at least one person of a married couple will watch the show is 0.55 (d)none of these

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.

A tea party is arranged for 16 people among two sides of a long table with 8 chairs on each side. Four men wish to sit on one particular side and two on the other side. The number of ways they can be seated is