Find the number of distinct words formed from the letters in the word "indian'. How many of them have two n's together.
Answers
Answered by
3
The word ' Indian ' has the alphabets i, n, d, i, a , n in order .
The number of distinct words that can be formed using the letters of the word Indian = factorial of number of letters / the factorial of the times a letter is repeated
= 6! / (2! × 2!) = 180
Number of words that can have two n's together = factorial of the number of letters while considering the two n's as one / the factorial of the number of times a number is repeated
= 5! / 2! = 60
Similar questions