The number of ways in which six boys and six girls can be seated in a row for a photograph so that no two girls sit together is ?	Choose one.
A) 6! * 7P6	B) 2(6!)	C) 6!)2	D) 6! * 7	E) 7! * 7
We can initially arrange the six boys in 6! ways.   Having done this, now three are seven places and six girls to be arranged. This can be done in ⁷P₆ ways.   Hence required number of ways   = 6! * 7P6   6! * 7P6nswer:6! * 7P6:
<result>A</result>
The number of ways in which six boys and six girls can be seated in a row for a photograph so that no two girls sit together is ?