A problem by Ahmed Hussain
Six letters were to be placed in envelopes for posting. Unfortunately, the letters were dropped before being put in their envelopes, and they were placed in at random.
What is the probability that none is in the correct envelope?
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
0 solutions
No explanations have been posted yet. Check back later!