Here is the last riddle of the week proposed by the class of 6th A of the school city. The students were helped by their teacher Hélène Raux. You will find the results of all the puzzles next week.
Riddle:
The petrol station pump is out of order, but a customer absolutely needs 4 liters of petrol for his scooter.
To serve it, the clever pump attendant uses 3 containers that can contain:
- the first 11 liters;
- the second 13 liters;
- the third 6 liters.
The pump attendant can:
- fill each container with gasoline from the tank or from another
container;
- empty each container into another or into the tank.
How will it measure 4 liters?
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