(10) लोगों की पंक्ति में दो विशेष व्यक्ति साथ न बैठें तो व्यवस्थाएं कितनी होंगी?
In a row of (10) people, how many arrangements are possible if two particular people do not sit together?
Explanation opens after your attempt
A. (2903040)
Concept
Subtract the together cases \(9!\cdot2!\) from total (10!). The answer is (3628800-725760=2903040).
Why this answer is correct
The correct answer is A. (2903040). Subtract the together cases \(9!\cdot2!\) from total (10!). The answer is (3628800-725760=2903040).
Exam Tip
कुल (10!) में से साथ बैठने वाली \(9!\cdot2!\) व्यवस्थाएं घटाएं। उत्तर (3628800-725760=2903040) है।
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