Soda Mixing Problem

Here’s a good puzzle for you!

Two jars contain an equal volume of soda. One contains Sprite, the other Coca Cola. You take a small amount of Coca Cola from the Coca Cola jar and add it to the Sprite jar. After uniformly mixing this concoction, you take a small amount out and put it back in the Coca Cola jar, restoring both jars to their original volumes. After having done this, is there more Coca Cola in the Sprite jar or more Sprite in the Coca Cola jar? Or, are they equally contaminated?

This problem has been stated in many different ways, with various liquids. I’ve phrased it in my own way. If you search around the internet, you can find the solution. But I want you to think it through. Give an answer and see if you can justify it! (I’ll post my solution later.)

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2 thoughts on “Soda Mixing Problem

  1. I believe there will be equally contaminatyed. Once you mix them and restore back to equal volume there will be still be contamination either way. Since volume will be restored equally and there are no mentioned factors of leakage.

  2. Pingback: Soda Mixing Problem « Random Walks

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