Out of eight crew members three particular members can sit only on the left side. Another two particular members can sit only on the right side. Find the number of ways in which the crew can be arranged so that four men can sit on each side.  Choose the correct choice from the following answers:  A) 864  B) 863  C) 865  D) 1728  E) None
Solution:   Required number of ways, = 3C2 *4! *4! = 1728.   Answer: Option 1728
<result>D</result>
Out of eight crew members three particular members can sit only on the left side. Another two particular members can sit only on the right side. Find the number of ways in which the crew can be arranged so that four men can sit on each side.