Q61Multiple choice
Five boys and five girls form a line. Find the number of ways of making the seating arrangement under the following condition: C1 C2 (a) Boys and girls alternate:
- (i)5! × 6! (b) No two girls sit together :
- (ii)10 ! – 5 ! 6 ! (c) All the girls sit together
- (iii)(5!)2 + (5!)2 (d) All the girls are never together :
- (iv)2 ! 5 ! 5 !