(8) लोगों को गोल मेज पर कितने तरीकों से बैठाया जा सकता है यदि दो विशेष लोग हमेशा साथ बैठें?
In how many ways can (8) people be seated around a circular table if two particular people always sit together?
Explanation opens after your attempt
B. (1440)
Concept
Treat the two people as one block, so (7) units have circular arrangements (6!), with (2!) internal ways. In circular arrangements, rotations are identical.
Why this answer is correct
The correct answer is B. (1440). Treat the two people as one block, so (7) units have circular arrangements (6!), with (2!) internal ways. In circular arrangements, rotations are identical.
Exam Tip
दो लोगों को एक खंड मानकर (7) इकाइयों की गोल व्यवस्था (6!) और भीतर (2!) तरीके हैं। गोल व्यवस्था में घूर्णन को स्थिर मानें।
Login to save your score, XP, coins and progress.
