Answer:
5040 ways
Step-by-step explanation:
There will be 13 chairs altogether.
Since there are 7 girls who cannot sit together, the pattern will be alternate.
→ G, B, G, B, G, B, G, B, G, B, G, B, G
- Means the ways of girls seated = 7!
- No. of ways of boys seated = 6!
Total Ways
- 7! x 6!
- 6! (7 x 1)
- 6 x 5 x 4 x 3 x 2 x 1 x 7
- 720 x 7
- 5040 ways
