Question:  A certain town comprises of 100 married couples. Everyone in the town lives by the following rule: If a husband cheats on his wife, the husband is executed as soon as his wife finds out about him. All the women in the town only gossip about the husbands of other women. No woman ever tells... Continue Reading →

Question:  How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started? . . C A P T A I N I N T E R V I E W . . Solution: The trivial answer... Continue Reading →

Question: Given a fleet of 50 trucks, each with a full fuel tank and a range of 100 miles, how far can you deliver a payload? You can transfer the payload from truck to truck, and you can transfer fuel from truck to truck. Assume all the payload will fit in one truck. . .... Continue Reading →

Question:  100 prisoners are stuck in the prison in solitary cells. The warden of the prison got bored one day and offered them a challenge. He will put one prisoner per day, selected at random (a prisoner can be selected more than once), into a special room with a light bulb and a switch which controls the... Continue Reading →