IQ test

Prove you're not a brainlet.

6

Depends on rate of fluid released onto container 1

Strange question, since only 1 glass is filled.

first.

this
and this

either glass one gets flooded and is first because the fluid cant get to the other glasses fast enough or number 6 fills up normally

5

*assuming flow rate into 1 is equal to that into 1

Wrong
Either 1 with high flow or 5 with low flow

just saw that the tunnel on the left isnt actually connected to glass 1