Mathematics - Permutation & Combination Question with Solution | TestHub

MathematicsPermutation & CombinationnPr & nCrEasy2 minQB

MathematicsEasysingle choice

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

Options:

Answer:

Solution:

C C......... 4! Words

C H......... 4! Words

C I......... 4! Words

C N......... 4! Words

The next word is COCHIN

There are $4 (4!) = 96$ words before COCHIN.

Stream:JEESubject:MathematicsTopic:Permutation & CombinationSubtopic:nPr & nCr

⏱ 2mℹ️ Source: QB

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