What’s the fastest way to alphabetize your bookshelf? – Chand John

You work at the college library. You’re in the middle of a quiet afternoon when suddenly a shipment of 1,280 different books arrives. The books have been dropped of in one long straight line, but they’re all out of order, and the automatic sorting system is broken. To make matters worse, classes start tomorrow, which […]

Can You Solve The Marriage Logic Problem? 80% Fail

Hey, this is Presh Talwalkar. Surveys have found that eighty percent of people get this problem wrong. While you are thinking about it I am going to present a similar problem. Give these problems a try and when you’re ready keep watching the video for the solution. Many people think that the answer to the […]