(8) people को round table पर बैठाना है और (A), (B), (C) साथ रहें। Count कौन-सी है?
(8) people are seated around a round table and (A), (B), (C) stay together. Which count is correct?
Correct answer and explanation
A. \(5!\cdot3!\)
Simple Explanation
तीन लोगों का one block और बाकी (5) people मिलकर (6) circular objects बनाते हैं, इसलिए (5!) arrangements हैं। परीक्षा में circular block count में objects minus one factorial लें। / The block of three people and the remaining (5) people form (6) circular objects, giving (5!) arrangements. In exams use one less factorial for circular block objects.
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