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Queries

shah ashutosh
in Mathematics

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1) you are in a cybercafe for accessing internet , You are required to provide the user identification for which you have to use 8 alpha-numeric characters of which first will be alpha character and of the remaining at lease 2 should be numeric characters.How many identification passwords can be created?

 

2) find the number of ways of seeting m women and n men(m<n) at a round table so that no 2 women seat together? ? ? ?

 

 

plz sove this question as fast as possible . . . . .

plz sove this question as fast as possible . . . . .

 

You first do that please.

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