9. In how many ways can 8 people be seated around a circular table if two of them insist on sitting beside each other?

A. 360

B. 720

C. 1440

D. 5040

10. Lydia, together with her five friends want to arrange themselves around a round table. How many ways can they do it?

A. 720

B. 120

C. 60

D. 30

11. Determine the different ways can 6 potted plants be arranged in

a row?

B. 540

C. 550

D. 720

12. How many different 4-digit even numbers can be formed from

A. 210

the digits 1, 3, 5, 6, 8, and 9 if no repetition of digits is allowed? A. 1 680

B. 840

C. 420

D. 120

13. In how many different ways can 5 different-colored horses be positioned in a carousel?

A. 24

B. 120

C. 720

D. 800

14. in a room, there are 10 chairs in a row. In how many ways can 5

students be seated in consecutive chairs?

A. 120

B. 720

C. 25 600 D. 30 240

15. In how many ways can 4 people be seated around a circular

table?

A. 2

B. 6

C. 12

D. 24