The letters of the word ‘INDIA’ are arranged as in a dictionary. What are the 1st, 13th, 49th and 60th words?

Alphabetical arrangement of letters: A,D,I,N


1st word: ADIIN


To find other words:


Case 1: words starting with A


Number of words =


13th word starts with D and is DAIIN


Case 2: words starting with D


Number of words =


Case 3: Words starting with I


Number of words =


(12+12+24+1)th = 49th word starts with N and is NAIID


Case 4: Words starting with N


Number of words =


(48+12)th word is the last word which starts with N


60th word = NDIIA


1st word: ADIIN


13th word: DAIIN


49th word: NAIID


60th word: NDIIA


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