7 students of a hostel are to be allotted 7 beds. Among them Prave | Filo
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Permutations and Combinations

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students of a hostel are to be allotted beds. Among them Praveen does not want a bed next to Nandu because Nandu snores.Then in how many ways can you allot the beds?

Correct Answer: Option(a)
Solution: students of hostle beds 
Praveen doesnt want a bed near Nandu 
Total possible allotments 
 
Cases when Nandu are together 
Allotement such that praveen and Nandu are not together 
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