If the letters of the word ADINI are arranged as in dictionary, then w

1.	If the letters of the word ADINI are arranged as in dictionary, then what is the 46th word?
Answer» Letters in ascending order according to dictionary are ADIIN Total number of words starts with letter A = 4!/2! = 12 Total number of words starts with letter D = 4!/2! = 12 Total number of words starts with letter I = 4! = 24 \(\therefore\) 48^th word = INIDA 47^th word = INIAD 46^th word = INDIA Alternative:- Total number of words start with letter A = 4!/2! = 12 Total number of words start with letter D = 4!/2! = 12 Total number of words start with letter IA = 3! = 6 Total number of words start with letter ID =3! = 6 Total number of words start with letter II =3! = 6 Total number of words start with letter INA =2! = 2 \(\therefore\) 44^th word is INAID 45^thword is INDAI 46^th word is INDIA

If the letters of the word ADINI are arranged as in dictionary, then what is the 46th word?

Answer»

Letters in ascending order according to dictionary are ADIIN

Total number of words starts with letter A = 4!/2! = 12

Total number of words starts with letter D = 4!/2! = 12

Total number of words starts with letter I = 4! = 24

\(\therefore\) 48^th word = INIDA

47^th word = INIAD

46^th word = INDIA

Alternative:-

Total number of words start with letter A = 4!/2! = 12

Total number of words start with letter D = 4!/2! = 12

Total number of words start with letter IA = 3! = 6

Total number of words start with letter ID =3! = 6

Total number of words start with letter II =3! = 6

Total number of words start with letter INA =2! = 2

\(\therefore\) 44^th word is INAID

45^thword is INDAI

46^th word is INDIA

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