If letters of the word PATANA are arranged in all possible ways as in the dictionary, then the word PATANA from the last is ?

Explanation

`PATANA` consists of `4` letters.
Occurance of `P` is `1`.

Occurance of `A` is `3`.

Occurance of `T` is `1`.

Occurance of `N` is `1`.

Now, number of words starting from `A = (5!)/((2!) = 60`

Number of words starting from `N = (5!)/(3!) = 20`

Number of words starting from `PAA = 3! = 6`

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