IF eight person are to address a meeting , then the number of ways in which a specified speaker is to speak before another specified speaker is

If eight persons are to address a meeting, then the number of ways in which a specified speaker is to speak before another specified speaker, is

If eight persons are to address a meeting, then the number of ways in which a specified speaker is to speak before another specified speaker, is

S_1 ,S_2 ,. . . S_(10) are the speakers in a conference if S_1 addresses of ways in which a specified speaker is to speak before another specified speaker is

Ten persons amongst whom are A,B and C are to speak at a function the number of ways in which it can be done if A wants to speak before B and B wants to speak before C is

Among 10 persons, A, B, C are to speak at a function. The number of ways in which it can be done if A wants to speak before B and B wants to speak before C is a. 10 !//24 b. 9!//6 c. 10 !//6 d. none of these

Among 10 persons, A, B, C are to speak at a function. The number of ways in which it can be done if A wants to speak before B and B wants to speak before C is a. 10 !//24 b. 9!//6 c. 10 !//6 d. none of these