(6) अलग-अलग मोतियों की माला कितने तरीकों से बन सकती है यदि पलटना भी समान माना जाए?
In how many ways can a necklace be made using (6) distinct beads if flipping is also considered the same?
Explanation opens after your attempt
B. (60)
Concept
In a necklace, both rotation and reflection are the same, so (\frac{(6-1)!}{2}=60). In exams, distinguish necklace from circular seating.
Why this answer is correct
The correct answer is B. (60). In a necklace, both rotation and reflection are the same, so (\frac{(6-1)!}{2}=60). In exams, distinguish necklace from circular seating.
Exam Tip
माला में घुमाव और पलटना दोनों समान हैं, इसलिए (\frac{(6-1)!}{2}=60)। परीक्षा में necklace को circular seating से अलग पहचानें।
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