Question

He gave me a problem to solve. Given two identical ropes of equal length, ,if it takes 60 minutes to burn out the whole rope, how will you measure 45 minutes using these two ropes. You are provided with only these two ropes and a lighter to ignite.

Answer 1

I will look watch if it is 45 minutes I will stop fire and measure the rest length

Answer 2

I will look watch if it is 50 minutes I will stop fire and measure the rest length.