Problem: in how many ways 4 boys and 4 girls can be seated in a row so that they are alternate .
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"
annotated_formula: multiply(factorial(4), factorial(4))