AP EAMCET2002MathematicsPermutation and Combination
The number of ways that 8 beads of different colours be strung as a necklace is
Options
- A2520
- B2880
- C4320
- D5040
Correct answer
A. 2520
Step-by-step solution
Number of ways = (8-1) ! 2 = 7 ! 2 =2520