Williams decides to attend a volley ball game with six friends. If the party of seven sits together in seven consecutive seats, and Williams must NOT sit in between two of his friends, how many ways can the seven friends be arranged?	Pick:
A) 720	B) 1440	C) 360	D) 780	E) 1240
Williams have to sit at either of the ends.   If Williams sits on the left most corner, then other 6 friends can be arranged in 6! = 720   David can also sit on the other end, then another 6! ways we can arrange.   So total number of ways = 720+720= 
<gadget id="calculator">720+720</gadget>
<output>1_440</output>
1440   Answer : 1440
<result>B</result>
Williams decides to attend a volley ball game with six friends. If the party of seven sits together in seven consecutive seats, and Williams must NOT sit in between two of his friends, how many ways can the seven friends be arranged?