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True-or-False:Three letters can be posted in five letter boxes in $3^5$ ways

$\begin{array}{1 1}(A)\;\text{True}\\(B)\;\text{False}\end{array} $

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Total no. of letters =3
Total no. of boxes =5
Hence the no. of ways =$5^3$ ways
Hence it is false.
answered May 16, 2014 by sreemathi.v

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