A key ring has 7 keys. How many different ways can they be arranged?
Choose the correct choice from the following:	A) 6	B) 7	C) 5!	D) 6!	E) 7!
I would like to argue against OA. 7 =&gt; 6! circular permutations. Therefore, for a keyring - arrangements = 6!/2   6NS:6
<result>A</result>
A key ring has 7 keys. How many different ways can they be arranged?