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  • The letters of the word COCHIN are permuted and all the permutations are arranged in an alphabetical order as in an English dictionary. The number of words that appear before COCHIN is<div clas

The letters of the word COCHIN are permuted and all the permutations are arranged in an alphabetical order as in an English dictionary. The number of words that appear before COCHIN is

Option: 1

360


Option: 2

192


Option: 3

96


Option: 4

48


Answers (1)

best_answer

Letters appearing in the word COCHIN are
\text { C. C. } H, I, N, O

Words appearing before COCHIN are of the form
\text { CX... }

Where \text { X }  is one of the letters \text { C, H, I, N } and the four remaining places can be filled by the remaining four letters.

Thus, the number of words before COCHIN is (4) (4 !)=96

Posted by

Riya

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