Find the solution of best puzzle

in #puzzle • 7 years ago

Puzzle | Black and White Balls

You have 20 white and 13 black balls in a bag. You pull out 2 balls one after another. If the balls are of same color, then you replace them with a white ball – but if they are of different color, you replace them with a black ball. Once you take out the balls, you do not put them back in the bag – so the balls keep reducing. What would be the color of the last ball remaining in the bag.

#knowledge #education #mind #teaser
7 years ago in #puzzle by
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     7 years ago  

    You give the answer buddy

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       7 years ago  

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