+2 votes
in Mathematics by kratos

All letters of the word ‘‘AGAIN’’ are permuted in all possible ways and the words so formed (with or without meaning) are written as in dictionary then the 50th word is :

(a) INAGA

(b) IAANG

(c) NAAGI

(d) NAAIG

1 Answer

+2 votes
by kratos
 
Best answer

Correct option (d) NAAIG

Explanation:Starting with letter A, and arranging the other 4 letters, there are 4 ! = 24 words. There are the first 24 words. Then starting with G, and arranging A, A, I and N in different ways, there are

Next, the 37th word starts with I. There are 12 words starting with I. This accounts upto the 48th word. The 49th word is NAAGI. The 50th word is NAAIG.

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