Problem Solving: Buckets

This problem has been around for a while, see if you can solve it without looking it up..

Objective is to measure exactly 4 gallons of water in a 5 gallon bucket.

Supplies: You have a 3 gallon and a 5 gallon bucket, one holds exactly 3 gallons and the other exactly 5 gallons. You have an infinite supply of water (lets just say more than you’ll ever need to solve this). The buckets have no markings on them.

You objective is to measure exactly 4 gallons of water and have it contained in the 5 gallon bucket. (I think you know why it won’y be in the 3 gallon bucket).

Comment back if you know the answer (well, one of them anyway)

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One thought on “Problem Solving: Buckets

  1. Start with both the 3 and 5 gallon bucket empty.
    Fill up the 5 gallon bucket with 5 gallons of water.
    Pour 3 gallons of water from the 5 gallon bucket into the 3 gallon bucket.
    Empty the 3 gallon bucket.
    Pour the 2 gallons of water left in the 5 gallon bucket into the 3 gallon bucket.
    Fill up the 5 gallon bucket again with 5 gallons of water.
    Pour water into the 3 gallon bucket until it is full.
    You now are left with 4 gallons in the 5 gallon bucket.

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