You have a box with three colored balls: red, blue, and green. You can pull out two balls without looking. What combination guarantees pulling out a red ball?
Category: Brain Teasers · Difficulty: expert
Hint: Consider the total amount of balls.
Answer
Remove the blue and green balls
Explanation
To guarantee a red ball, you must pull out all three since there's no way to ensure you get it with just two.
This is a expert brain teasers riddle — one of the harder riddles here. The answer is Remove the blue and green balls.
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