[" (a) "m(n+1)],[" A basket ball team consists of "12" pairs of twin brothers.On the first day of training,all "24],[" players stand in a circle in such a way that all pairs of twin brothers are neighbours.Number of "],[" ways this can be done is: "]

If m red balls and n white balls are placed in a row so that no two white balls are together, prove that if m gt n , the total number of ways in which this can be done is ""^(m+1)C_(n) .

If m red balls and n white balls are placed in a row so that no two white balls are together, prove that if m > n, the total number of ways in which this can be done is ""^(m+1)C_(n) .

Find the number of ways in which six persons can be seated at a round table, so that all shall not have the same neighbours n any two arrangements.

Find the number of ways in which six persons can be seated at a round table, so that all shall not have the same neighbours n any two arrangements.

Find the number of ways in which six persons can be seated at a round table, so that all shall not have the same neighbours n any two arrangements.

Find the number of ways in which six persons can be seated at a round table, so that all shall not have the same neighbours n any two arrangements.

Find the number of ways in which six persons can be seated at a round table,so that all shall not have the same neighbours n any two arrangements.

Let n be the number of ways in which 5 boys and 5 girls can stand in a queue in such a way that all the girls stand consecutively in the queue.Let m be the number of ways in which 5 boys and 5 girls can stand in a queue in such a way that exactly four girls stand consecutively in the queue.Then the value of m/n is

Let , n be the number of ways in which 5 boys and 5 girls can stand in a queue in such a way that all the girls stand consecutively in the queue .Ley m be the number of ways in which 5 boys and 5 girls can stand in a queue in such a way that exaxtly four girls stand consescutively in the queue. Then the value of (m)/(n) is -

A family of 4 brothers and 3 sisters is to be arranged in a row for a photograph.The number of ways in which they can be seated if all the sisters are to sit together is