### The Two Ropes And The Lighter

You have a lighter and two ropes that take exactly one hour to burn, but they don’t burn at a steady rate. For example, one rope could take 59 minutes to burn the first inch and then burn the rest of the rope in the last minute.

How would you use these two ropes to measure 45 minutes?

You have a lighter and two ropes that take exactly one hour to burn, but they don’t burn at a steady rate. For example, one rope could take 59 minutes to burn the first inch and then burn the rest of the rope in the last minute. How would you use these two ropes to measure…