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In how many ways can (6) married couples sit around a circular table if each husband and wife sit together?(6) विवाहित जोड़ों को गोल मेज पर कितने तरीकों से बैठाया जा सकता है यदि हर पति-पत्नी साथ बैठें?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (7680)(7680)
Treat each couple as one block, so (6) blocks have (5!) circular arrangements and each block has (2) internal ways. For couple problems, remember the (2^n) internal orders.हर जोड़े को एक खंड मानकर (6) खंडों की गोल व्यवस्था (5!) और हर खंड के भीतर (2) तरीके हैं। जोड़ों वाले प्रश्नों में (2^n) अंदरूनी क्रम याद रखें।
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