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In a circular seating of (6) people, how many arrangements are possible if two particular people do not sit together?(6) लोगों की गोल बैठक में दो विशेष व्यक्ति साथ न बैठें तो व्यवस्थाएं कितनी होंगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (72)(72)
Total circular arrangements are (5!), and together arrangements are (4!\cdot2!). So the answer is (120-48=72).कुल गोल व्यवस्थाएं (5!) हैं और साथ बैठने वाली व्यवस्थाएं (4!\cdot2!) हैं। इसलिए उत्तर (120-48=72) है।
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