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How many words can be made from the letters of the word MONDAY assuming that no letter is repeated if All letters are used at a time

$\begin{array}{1 1}(A)\;360\\(B)\;720\\(C)\;350\\(D)\;750\end{array} $

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No of letters =6
No of ways =6!
$\Rightarrow 6\times 5\times 4\times 3\times 2\times 1$
$\Rightarrow 720$
Hence (B) is the correct answer.
answered May 19, 2014 by sreemathi.v

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