In how many different ways can 7 girls and 7 boys form a circle such that the boys and the girls alternate?	Choose the correct choice from the following:  A) 2880211  B) 3628800  C) 120000  D) 36286200  E) None of these
Explanation :   In a circle, 7 boys can be arranged in 6! ways   Given that the boys and the girls alternate.   Hence there are 7 places for girls which can be arranged in 7! ways   Total number of ways = 6! x 7! = 720 x 5040 = 3628800. Answer : Option 3628800
<result>B</result>
In how many different ways can 7 girls and 7 boys form a circle such that the boys and the girls alternate?