Light the other end of rope b.
Burning rope problem 45 minutes.
When rope 1 finishes burning it will be exactly 30 minutes.
How can you measure 45 minutes.
How do you measure out exactly 45 minutes.
Each takes exactly 60 minutes to burn.
However the ropes do not burn at constant rates there are spots.
Burn rope 1 from both end and at same time burn rope 2 from one end.
Light both ends of rope a and one end of rope b.
Total time elapsed since starting.
He will burn one of the rope at both the ends and the second rope at one end.
You have two ropes that each take an hour to burn but burn at inconsistent rates.
Each rope burns in 60 minutes.
Light up three out of four ends of the two wires.
Each rope will take exactly 1 hour to burn all the way through.
Light the other end of rope b.
He actually wants to measure 45 mins.
You can light one or both ropes at one or both ends at the same time.
After 30 minutes rope a will be completely burned up and there will be 30 minutes of rope b left.
You have two ropes.
You have two ropes coated in an oil to help them burn.
It will burn up in 15 minutes.
Total time elapsed since starting the ropes on fire.
This burning rope problem is a classic logic puzzle.
Each takes exactly 60 minutes to burn.
Burning rope problem a man has two ropes of varying thickness those two ropes are not identical they aren t the same density nor the same length nor the same width.
How can you measure 45 minutes.
It will burn up in 15 minutes.
Burning rope puzzle measure 45 minutes.
They are made of different material so even though they take the same amount of time to burn they burn at separate rates.
This burning rope problem is a classic logic puzzle.
In addition each rope burns inconsistently.
You have two ropes and a lighter.
Each rope has the following property.
You have two ropes that each take an hour to burn but burn at inconsistent rates.
If you light one end of the rope it will take one hour to burn to the other end.
They are made of different material so even though they take the same amount of time to burn they burn at separate rates.
How can he measure 45 mins using only these two ropes.
After 30 minutes rope a will be completely burned up and there will be 30 minutes of rope b left.
He can t cut the one rope in half because the ropes are non homogeneous and he can t be sure how long it will burn.
They don t necessarily burn at a uniform rate.
A logic brain teaser.
