Six female friendssix male friends will be pictured in a advertising photo. If the photographer wants to line them up in one row, with menwomen alternating. How many possible arrangements may she chose?  Options:
A) 1036800  B) 1680  C) 1152  D) 576  E) 70
now any of the alternate 6 places can be filled by 6 male or female in 6!   similarily,   other 6 alternate places can be filled in 6!   hence required probability= 2*6!*6!= 10,36,800   hence 1036800
<result>A</result>
Six female friendssix male friends will be pictured in a advertising photo. If the photographer wants to line them up in one row, with menwomen alternating. How many possible arrangements may she chose?