8. In how many ways can three identical Mathematics magazines, two identical Statistics magazines, and four identical Science magazines be put in a stack? A. 362,880 B. 40,320 C. 1.728 D. 1.260 9. In how many ways can nine people be seated around a circular table? A 362.880 B. 40,320 C. 5.040 D. 720 10. How many ways can 12 people be seated around a circular table if two insist to sit next to each other? A. 7,257,600 B. 3,628,800 C. 725,760 D. 362,800 11. Five different keys are to be placed on a circular key chain. How many different arrangements are there? A. 4 B. 5 C. 12 D. 24 12. Seven different beads will be put together to form a bracelet with a lock. How many ways can the beads be arranged? A. 5,040 B. 2,520 C. 720 D. 360 13. How many ways can eight unique beads be arranged on a chain without a clasp? A. 40,320 B. 20.160 C. 5,040 D. 2,520 14. In how many ways can six people be seated in a round table? A. 24 B. 120 C. 720 D. 5,040 15. Ten people are to be seated around a table. One of them is to be seated close to the door. How many arrangements are possible? A. 479,001,600 B. 39,916,800 C. 3,628,800 D. 362,880​