Guys,
Please discuss this problem. Also please mention when we need to consider clockwise and anti clockwise arrangements as separate, in circular permutation.
In how many ways can 21 differently colored beads be stung on a necklace ?
1. (21)!
2. (20)!
3.(21)!/2
4.(20)!/2
5.19!
OA: 4
Please discuss this problem. Also please mention when we need to consider clockwise and anti clockwise arrangements as separate, in circular permutation.
In how many ways can 21 differently colored beads be stung on a necklace ?
1. (21)!
2. (20)!
3.(21)!/2
4.(20)!/2
5.19!
OA: 4
