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Question

All the permutations of the letters of the word AGAIN are arranged as in dictionary, then the fiftieth word is

A
NAAIG
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B
AANIG
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C
IGNAA
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D
GANIA
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Solution

The correct option is D NAAIG
Number of words starting with A = 4!=24
Starting with G = 12
Starting with I = 12
12+12+12+12=48
NAAGI is 49th word
NAAIG is 50th word of dictionary
Hence, option 'A' is correct.

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