(9) लोगों को round table पर बैठाने की count (8!) क्यों है?
Why is the count for seating (9) people around a round table (8!)?
Explanation opens after your attempt
A. एक व्यक्ति fix करके rotations हटाए जाते हैंOne person is fixed to remove rotations
Concept
Rotations give the same arrangements at a round table. In exams write ((n-1)!) for circular seating.
Why this answer is correct
The correct answer is A. एक व्यक्ति fix करके rotations हटाए जाते हैं / One person is fixed to remove rotations. Rotations give the same arrangements at a round table. In exams write ((n-1)!) for circular seating.
Exam Tip
Round table में rotations same arrangements देते हैं। परीक्षा में circular seating में ((n-1)!) लिखें।
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