(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
Correct Answer

B. (1440)

Step 1

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.

Step 2

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.

Step 3

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।

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Mathematics Answer, Explanation and Revision Hints

(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?

Correct Answer: B. (1440). Explanation: दो लोगों को एक खंड मानकर (7) इकाइयों की गोल व्यवस्था (6!) और भीतर (2!) तरीके हैं। गोल व्यवस्था में घूर्णन को स्थिर मानें। / Treat the two people as one block, so (7) units have circular arrangements (6!), with (2!) internal ways. In circular arrangements, rotations are identical.

Which concept should I revise for this Mathematics MCQ?

Treat the two people as one block, so (7) units have circular arrangements (6!), with (2!) internal ways. In circular arrangements, rotations are identical.

What exam hint can help solve this Mathematics question?

दो लोगों को एक खंड मानकर (7) इकाइयों की गोल व्यवस्था (6!) और भीतर (2!) तरीके हैं। गोल व्यवस्था में घूर्णन को स्थिर मानें।