Question:
You have two string-like fuses. Each burns in exactly one minute. The fuses are inhomogeneous, and may burn slowly at first, then quickly, then slowly, and so on. You have a match, and no watch. How do you measure exactly 45 seconds?
Answer:
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Question:
You hire a man to work for you for seven days. You wish to pay him in gold. You have one gold bar with seven parts — like a chocolate bar.
You wish to pay him one gold part per day, but you may snap the bar in only two places. Where do you snap the bar so that you may pay him at the end of each day, and so that on successive days he may use what you paid him previously to make change?
Answer:
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