In how many ways 4 boys and 4 girls can be seated in a row so that they are alternate. Choose the correct choice from the following:
A) 144 B) 288 C) 12 D) 576 E) None
Solution: Let the Arrangement be,   B G B G B G B G   4 boys can be seated in 4! Ways.   Girl can be seated in 4! Ways.   Required number of ways,   = 4!*4! = 576.   Answer: Option 576
<result>D</result>
In how many ways 4 boys and 4 girls can be seated in a row so that they are alternate.