There are 4 copies of 5 different jeans. In how many ways can they be arranged on a shelf? Choose one:
A) 20!/4!  B) 20!/5(4!)  C) 20!/(4!)^5  D) 20!  E) 5!
There are 4 copies of 5 different jeans.20!/((4!)^5)   Answer - 20!/(4!)^5
<result>C</result>
There are 4 copies of 5 different jeans. In how many ways can they be arranged on a shelf?