How do we measure forty-five minutes using two identical wires, each of which takes an hour to burn. We have matchsticks with us. The wires burn non-uniformly. So, for example, the two halves of a wire might burn in 10 minute and 50 minutes respectively
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Forty-Five Minutes ... We have matchsticks with us. The wires burn non- uniformly. So, for example, the two halves of a wire might burn in 10 minute and 50 minutes
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It will take exactly half the original time, i.e. 30 minutes to burn completely.
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