Lining people up
Probability
Level
4
Six people of different heights are lining up to buy ice cream. How many ways are there for them to line up so that no three people are in increasing order of height, from front to back?
The answer is 349.
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!