An art gallery owner is hanging paintings for a new show. Of the four paintings she has to choose from, she can only hang three on the main wall of the gallery. Assuming that she hangs as many as possible on that wall, in how many ways can she arrange the paintings?  Options.
A) 18  B) 30  C) 64  D) 4  E) 216
Arrangement means permutations questions..   4P3 = 4!/3! = 4   .   ANS option 4 is correct answer..
<result>D</result>
An art gallery owner is hanging paintings for a new show. Of the four paintings she has to choose from, she can only hang three on the main wall of the gallery. Assuming that she hangs as many as possible on that wall, in how many ways can she arrange the paintings?