Burning Rope Problem

For an average sized person jumping rope might even burn more than 10 calories a minute.

Burning rope problem.

I d seen some of these problems before and i didn t have the time to work through the unfamiliar ones but my favorite was the very first question. Rope burning logic problem. However the ropes do not burn at constant rates there are spots. This will burn the remaining rope in 15 minutes totaling the burning time to 45 minutes.

So the total time can be calculated like below. He can t cut the one rope in half because the. Posted by jason kottke nov 22 2006. First rope second 30 mins second rope 15 mins 45 mins.

You have two ropes coated in an oil to help them burn. 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. How can he measure 45 mins using only these two ropes. Each rope burns in 60 minutes.

Rope 2 would also burn to a point where only 30 mins are left for it to burn completely. 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. There are two ropes each rope takes 1 hour to burn.

After 30 minutes rope 1 is completely burnt and rope 2 still has 30 minutes worth of burning time in it. Let s first see the problem statement. Last week abbas raza of 3 quarks daily posed a list of logic problems to the site s readers. First lit rope 1 in both ends and one end of rope 2.

By the time rope one burns it will be 30 mins. We have two ropes and a lighter with us. He actually wants to measure 45 mins. Each rope will take exactly 1 hour to burn all the way through.

But jumping rope alone won t be enough to help you lose weight. 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. But either rope has different densities at different points so there s no guarantee of consistency in the time it takes different sections within the rope to burn. Interview questions by jobs.