In how many ways can four different rings be worn on four fingers of one hand?	Choose the correct option.
A) 10  B) 1  C) 15  D) 16  E) 18
Required number of ways = ways of selecting 4 objects out of 4 given objects   = 4C4 = 4*3*2*1/24= 
<gadget id="calculator">4*3*2*1/24</gadget>
<output>1</output>
1   Answer 1
<result>B</result>
In how many ways can four different rings be worn on four fingers of one hand?