There are 5 different letters and 5 letter boxes of same size shape and colors. How many method are possible to post the letters?
Answers
A) 50	B) 51	C) 52	D) 53	E) 54
50000 -&gt;1   41000 -&gt;5   31100 -&gt;10   32000 -&gt;10   21110 -&gt;10   22100 -&gt;15   11111 -&gt;1   1+5+10+10+10+30+1=52   ANSWER:52
<result>C</result>
There are 5 different letters and 5 letter boxes of same size shape and colors. How many method are possible to post the letters?