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CBSE XI
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Permutations and Combinations
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} $
cbse
math
class11
ch7
permutations-and-combinations
exercise7-3
true-or-false
exemplar
q52
sec-a
easy
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asked
May 16, 2014
by
sreemathi.v
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1 Answer
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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