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Grade 6Algebra

THE LETTERS OF THE WORD COCHIN ARE PERMUTED AND ALL THE PERMUTATIONS ARE ARRANGED IN ALPHABATICAL ORDEREIN ENGLISH DICTIONARY THE NUMBER OF THE WORDS THAT APPEAR BEFORE THE WORD COCHIN ISTHE LETTERS OF THE WORD COCHIN ARE PERMUTED AND ALL THE PERMUTATIONS ARE ARRANGED IN ALPHABATICAL ORDEREIN ENGLISH DICTIONARY THE NUMBER OF THE WORDS THAT APPEAR BEFORE THE WORD COCHIN IS

Profile image of MADHU
9 Years agoGrade 6
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2 Answers

Profile image of Vaibhav Singh
9 Years ago
Number of words before COCHIN will be 96.On arranging letters in alphabetical order,CC(----) = 4! Since 4 letters are written keeping CC fixed.CH(----) = 4!CI(----) = 4!CN(----) = 4!After these words, next word will be COCHIN.Therefore total words before COCHIN = 4×4!Hence total words before COCHIN = 96.
Profile image of atul raj
8 Years ago
  1. Find the number of ways 6 people sitting around a round table, given that two particular person are always together. Show it by the picture also.
 
 
 

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