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Home  >>  CBSE XI  >>  Math  >>  Permutations and Combinations

How many words,with or without meaning can be made from the letters of the word MONDAY,assuming that no letter is repeated if, All the letters of word MONDAY are taken at a time?

$\begin{array}{1 1}(A)\;710\\(B)\;715\\(C)\;720\\(D)\;725\end{array} $

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1 Answer

Number of words =$6!$
$\Rightarrow 6\times 5\times 4\times 3\times 2\times 1$
$\Rightarrow 720$
Hence (C) is the correct answer.
answered May 13, 2014 by sreemathi.v
 

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