The letters of the word COCHIN are permutated and all the permutations are arranged in an alphabetical order as in an English dictionary. The number of words that appear before the word COCHIN is
Text Solution
Verified by Experts96
(96)
Arrange the letters of the word COCHIN as in the order of dictionary CCHINO.
Consider the words starting from C .
There are 5! such words.
Number of words with the two C's occupying first and second place 
.
Number of words starting with 
is 4 ! each.
Similarly, number of words before the first word starting with 
96.
The word starting with CO found first in the dictionary is COCHIN. There are 96 words before COCHIN.
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