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Question

If all permutations of the letters of the word AGAIN are arranged as in dictionary, the forty-ninth word is

A
NAAGI
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B
NAGAI
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C
NAAIG
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D
NAIAG
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Solution

The correct option is A NAAGI
Stating with the letter A and arranging the other four letters, there are 4!=24 words.
These are the first 24 words.
Then, Starting with G and arranging A.A,I and N in different ways, there are 4!2!1!1!=12 words, the 37th word starts with I and there are 12 Words Starting with I.
Total goes up to 48 words .
Now, 49th word isNAAGI.

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