# Thread: Is this a permutation?

1. ## Is this a permutation?

John has forgotten his password to log on his computer. He knows the password is made up of 5 letters in the word "speed". What is the maximum number of passwords Greg has to check to find the right one?

24
60
120
240

is 5! or 5!/2! ??
Thanks

2. Because of the two e's it is $\dfrac{5!}{2}$