There are 3 couples. If they will sit 6 chairs in a row such that each couple sits side by side, how many possible cases are there?
Choose the correct choice from the following answers
A) 48
B) 240
C) 1,200
D) 2,460
E) 3,840
Tie the couples. Then we have 3 persons that have to be arranged in 3 places. 3! ways.   Now the couples can change position with each other. 2! ways.   3! * (2!)^3 = 6*8= 
<gadget id="calculator">6*8</gadget>
<output>48</output>
48   48nswer is 48.
<result>A</result>
There are 3 couples. If they will sit 6 chairs in a row such that each couple sits side by side, how many possible cases are there?