[Brain challenge] Think again

[misumon]

where ? He said ''Question: how does he cross the river with those 3 things one at a time.'' and you are confused take a pen and paper and draw a river you would understand this .

In this way he has to cross the river 7 times not 4 . Like he goes to the other side and comes back to this side to take back whats left. Sit down and think a bit about it.