Meeting is to be addressed by 5 speakers a, b, c, d,e. In how many way

1.	Meeting is to be addressed by 5 speakers a, b, c, d,e. In how many ways can the speakers be ordered if b must not precede a (immediately or otherwise) :
Answer» Answer: 60 Ways Step-by-step explanation: Meeting is to be addressed by 5 SPEAKERS a, B, c, d, e. In how many ways can the speakers be ordered if b must not precede a (immediately or otherwise) : 5 SPEAKER can address in 5! ways = 120 Either b can speak before a Or after a ways the speakers be ordered if b must not precede a = 120/2 = 60 Ways

Meeting is to be addressed by 5 speakers a, b, c, d,e. In how many ways can the speakers be ordered if b must not precede a (immediately or otherwise) :

Answer»

Answer:

60 Ways

Step-by-step explanation:

Meeting is to be addressed by 5 SPEAKERS a, B, c, d, e. In how many ways can the speakers be ordered if b must not precede a (immediately or otherwise) :

5 SPEAKER can address in 5! ways = 120

Either b can speak before a Or after a

ways the speakers be ordered if b must not precede a = 120/2 = 60 Ways

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Meeting is to be addressed by 5 speakers a, b, c, d,e. In how many ways can the speakers be ordered if b must not precede a (immediately or otherwise) :

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