No. of permutations of 25 dissimilar things taken more than 15 at | Filo
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Class 11

Math

Algebra

Permutations and Combinations

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No. of permutations of dissimilar things taken more than at a time when repetitions are allowed is

Correct Answer: Option(a)
Solution: No of permutations of 16 objects
 
No of permutations of 17 objects
 
 18  
 19
 25
So, S
 
Ans
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