Fast fuse

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Posted · Report post

You have a lighter and a single fuse that takes exactly 1 minute to burn.

It is straightforward to time a 60-second or a 30-second time interval.

How would you time a 10-second time interval?

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Posted · Report post

Does the fuse burn at a constant rate?

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Posted · Report post

Does the fuse burn at a constant rate?

We can't make that assumption.

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Posted · Report post

a) Cut in 3 pieces and burn from both sides.

b) When one piece is consumed, cut that one that seems to burn most slowly in two pieces and put on fire the ends that do not burn.

c) Repeat b) until everything burned.

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