Burning Rope Problem

However the ropes do not burn at constant rates there are spots.

Burning rope problem.

Let s first see the problem statement. Each rope burns in 60 minutes. Rope burning logic problem. Also the rope does not burn uniformly means one half of the rope may burn in let s say 10 mins while other half may take remaining 50 mins to burn.

First lit rope 1 in both ends and one end of rope 2. You have two ropes coated in an oil to help them burn. There are two ropes each rope takes 1 hour to burn. He can t cut the one rope in half because the.

Each rope will take exactly 1 hour to burn all the way through. The warming sun the cooling rain the snowflake drifting on the breath of the breeze the lightning bolt that frees the sky for you yet only eagles seem to. At this point burn the rope 2 at the remaining end and it will burn off completely in 15 mins. If we ignite a rope at one end then it takes exactly one hour to completely burn.

For an average sized person jumping rope might even burn more than 10 calories a minute. Jumping rope can be a part of a diet and. Interview questions by jobs. He actually wants to measure 45 mins.

So the total time can be calculated like below. Last week abbas raza of 3 quarks daily posed a list of logic problems to the site s readers. But jumping rope alone won t be enough to help you lose weight. Rope 2 would also burn to a point where only 30 mins are left for it to burn completely.

Lit the other end of rope 2. After 30 minutes rope 1 is completely burnt and rope 2 still has 30 minutes worth of burning time in it. We have two ropes and a lighter with us. This will burn the remaining rope in 15 minutes totaling the burning time to 45 minutes.

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. By the time rope one burns it will be 30 mins. Posted by jason kottke nov 22 2006. How can he measure 45 mins using only these two ropes.