Traffic jam
Logic
Level
2
The diagram shows a road network. All vehicles drive in 1 direction from A to B. Numbers represent the max. flow rate in vehicles per hour. The max number of vehicles that can drive through the network every hour is:
Note: this problem is not original. And sorry for the bad drawing.
215
240
275
300
315
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.
1 solution
A maximum of 200 + 40 = 240 vehicles can exit the network per hour. However, only 175 vehicles can enter the top right node per hour. Therefore, the correct answer is that only 175 + 40 = 215 vehicles can exit the network per hour.