The 8 ball problem
Problem: The problem is quite simple. You are given 8 identical-looking balls, one of which is heavier than the other ......
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The 12 Ball problem
Problem: You 12 balls all of the same size. 11 of them weigh same and one is defective which weigh slightly less or more.
How can you find a ball that is defective and only 3 weighing?...
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Two men running
Adam and Bob have exact speeds for walking and running – neither Adam outwalks Bob, nor Bob outruns Adam. But ......
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Programming phone screen questions
You are shrunk to the height of a nickel and your mass is proportionally reduced so as to maintain your ......