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If all the latters of the word 'AGAIN' be arranged as in a dictionary, what is the fiftieth word? (a) NAAGI (b) NAAIG (c) GIAAN (d) NAGAI
Answers (3)
Option (b) Total number of letters in 'AGAIN' are 5 and 'A' is repeated twice. So, Number of words starting with A are 4! = 24 Number of words starting with I are 2!4!=12 Number of words starting with G are 2!4!=12 Total number of words till now is 48 Two more words are still remaining which are NAAGI and NAAIG Fiftieth word is NAAIG