Two female friendstwo 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?  Pick:
A) 40320	B) 1680	C) 1152	D) 576	E) 8
now any of the alternate 2 places can be filled by 2 male or female in 2!   similarily,   other 2 alternate places can be filled in 2!   hence required probability= 2*2!*2!=8   hence 82*2 *2= 
<gadget id="calculator">2*2 *2</gadget>
<output>8</output>
8   hence 8
<result>E</result>
Two female friendstwo 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?