We have 6 people and 4 chairs. In how many ways chairs can be occupy?
Pick:  A) 840  B) 720  C) 650  D) 914  E) 120
no. of ways they can be occupy = 6*5*4= 
<gadget id="calculator">6*5*4</gadget>
<output>120</output>
120   Answer is 120
<result>E</result>
We have 6 people and 4 chairs. In how many ways chairs can be occupy?