In how many ways 4 boys and 4 girls can be seated in a row so that they are alternate. Choose the most appropriate option:  A) 144  B) 288  C) 12  D) 576  E) none

Rationale: "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 d"
Answer: D