POW: 06-24-2019

Riddle:

Answer:

Fill up the 3 gallon container and pour the 3 gallons into the 5 gallon container.

Then, fill the 3 gallon container back up, and pour it into the 5 gallon container.

The 3 gallon container will have 1 gallon left.

Empty the 5 gallon container.

Pour the remining 1 gallon into the 5 gallon container.

Then fill the 3 gallon container back up and pour it into the 5 gallon container.

Thus, you have 4 gallons.

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