The Cassette Recorder
You have two buckets, one holds exactly 5 gallons and the other 3 gallons.
How can you measure 4 gallons of water into the 5 gallon bucket?
(Assuming you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)
Ah! Click here to read the solution.
- Fill up the 5 gallon bucket.
- Pour it into 3 gallon bucket, leaving 2 gallons.
- Empty out the 3 gallon bucket.
- Pour the 2 gallons in the 5 gallon bucket into the 3 gallon bucket.
- Fill up the 5 gallon bucket and pour it into the 3 gallon bucket until it’s full, leaving 4 gallons in the 5 gallon bucket.
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