You have

Note: Assume you have a big supply of

Once you tackle that, what if there are

**20****Blue**balls and**10****Red**balls in a bag. You put your hand in the bag and take off**two**at a time. If they’re of the**same**color, you add a**Blue**ball to the bag. If they’re of**different**colors, you add a**Red**ball to the bag. What will be the color of the**last**ball left in the bag?Note: Assume you have a big supply of

**Blue**and**Red**balls for this purpose. When you take the**two**balls out, you don’t put them back in, so the number of balls in the bag keeps decreasing.Once you tackle that, what if there are

**20****blue**balls and**11****red**balls to start with?**This should be the color of last ball!****Source**
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