जॉइन Examsbookउत्तर : 1. "2520"
The number of ways that 8 beads of different colours be strung as a necklace is5
प्र: The number of ways that 8 beads of different colours be strung as a necklace is
- 12520true
- 22880false
- 34320false
- 45040false
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उत्तर : 1. "2520"
व्याख्या :
Answer: A) 2520 Explanation: The number of ways of arranging n beads in a necklace is (n-1)!2=(8-1)!2=7!2 = 2520 (since n = 8)