Aptitude - Probability - Discussion

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Q.

The number of ways of arranging n students in a row such that no two boys sit together and no two girls sit together is m(m > 100). If one more student is added, then number of ways of arranging as above increases by 200%. The value of n is                         


A. 8 B. 9
C. 10 D. 12

Answer: Option D
Explaination:

 





Discussion

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