Question

Please help me and explain full answer if you it........
In how many ways can 6 boys and 5 girls be arranged for a group photograph if the girls are to sit on chairs in a row and the boys are to stand in a row. Behind them.

Answer 1

girls can arranged in 5! ways
5! = 5*4*3*2*1=120
boys can arranged in 6! ways
6! =6*5*4*3*2*1=720

Answer 2

5 girls should sit in the chair and 3 of the boys stand at left and other 3in right