Three-jug measuring
You have an empty 3-liter jug, an empty 5-liter jug, and unlimited water. The jugs have no markings. How do you measure out exactly 4 liters?
Show hints (2)+
- Track the 2-liter remainder you can create in the 5-L jug.
- After parking 2 L in the 3-L jug, refill the 5 and top the 3 off.
Answer
Reveal answer →Final answer
Fill the 5, pour into the 3 twice (refilling), ending with 4 L in the 5-L jug
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