(9) व्यक्तियों को गोल मेज पर कितने तरीकों से बैठाया जा सकता है यदि तीन विशेष व्यक्ति हमेशा साथ बैठें?
In how many ways can (9) people sit around a circular table if three particular people always sit together?
Explanation opens after your attempt
A. (4320)
Concept
Treat the three people as one block, so (7) units have (6!) circular arrangements and (3!) internal ways. In circular arrangements, rotations are identical.
Why this answer is correct
The correct answer is A. (4320). Treat the three people as one block, so (7) units have (6!) circular arrangements and (3!) internal ways. In circular arrangements, rotations are identical.
Exam Tip
तीन व्यक्तियों को एक खंड मानने पर (7) इकाइयों की गोल व्यवस्था (6!) है और भीतर (3!) तरीके हैं। गोल व्यवस्था में घूर्णन को समान मानें।
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