In how many different ways can 5 girls and 5 boys form a circle such that the boys and the girls alternate?
2880
1400
1200
3212
Explanation:
Around a circle, 5 boys can be arranged in 4! ways.
Given that the boys and the girls alternate. Hence there are 5 places for the girls. Therefore the girls can be arranged in 5! ways.
Total number of ways
=4!×5!=24×120=2880