The number of arrangements of the letters of the word 'BANANA' in | Filo
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Class 11

Math

Algebra

Permutations and Combinations

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The number of arrangements of the letters of the word 'BANANA' in which the two do not appear adjacently is

Correct Answer: Option(a)
Solution: Total number of permutations will be due to repetitions of and .
Now taking two of the N's together, 
NN B A A A        ......    by taking NN as one block

we get
due to repetitions of s.

Hence, the required permutation will be



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