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Find the number of permutations of the letters of the word ‘UNIQUE’. (i) How many of them end with ‘QUE? (ii) How many of begin with ‘U’ and end with ‘E’? (iii) How many of them begin with a consonant? |
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Answer» “UNIQUE” has 6 letter; U = 2 times ∴ Total words = \(\frac{6!}{2!}\)ways (i) The words end with “QUE”=3! (ii) The work begin with V and end with E = 4! (iii) The words begin with a consonant (2 consonants are there N and Q) = \(\frac{4!}{2!}\) |
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