Hi guys, I'm new in this forum, so i hope you can help me with these problems. It might be easy, but i just started taking Elementary stats... so here they are.....(adsbygoogle = window.adsbygoogle || []).push({});

a) how many possible arrangements are there of the six letters {a,b,c,d,e,f} in which b and c are next to each other?

b) how many possible arrangements are there of the six letters {a,b,c,d,e,f} in which b and c arenotnext to each other?

thanx for your help in advance

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# How many possible arrangements Permutations

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