The number of different permutations of the word 'BANANA'

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The number of different permutations of the word 'BANANA' is ?

1. 270
2. 60
3. 120
4. 360

Correct Option: B

There are 3A's 2N's and one B. We have to find the total number of arrangements of 6 letters out of which 3 are alike of one kind, 2 are alike of second kind, thus the total number of words
= 6! / (3! 2!) = 60