The Einstein puzzle

Question: Answer the question using the given information and hints. In a street, there are five houses, painted five different colors. In each house lives a person of different nationality These five homeowners each drink a different kind of beverage, smoke different brand of cigar and keep a different pet. The Question: Who owns the … Continue reading The Einstein puzzle

The Red wedding

Question: A bad king has a cellar of 1000 bottles of delightful and very expensive wine. A neighbor queen plots to kill the bad king and send a servant to poison the wine. Fortunately (or say, unfortunately) the bad king’s guards catch the servant after he could poison only one bottle. Alas, the guards don’t know which … Continue reading  The Red wedding

More prisoners and more hats

Question: There are 7 prisoners sitting in a circle. The warden has caps of 7 different colors (an infinite supply of each color). The warden places a cap on each prisoner’s head – he can choose to place any cap on any other’s head. Each prisoner can see all caps but her/his own. The warden … Continue reading More prisoners and more hats

These kids deserve medals

Question: There are 10 incredibly smart boys at school: A, B, C, D, E, F, G, H, I and Sam. They run into class laughing at 8:58 am, just two minutes before the playtime ends and are stopped by a stern looking teacher: Mr. Rabbit. Mr. Rabbit sees that A, B, C, and D have mud … Continue reading These kids deserve medals

Chaos in the bus

Question: There is a bus with 100 labeled seats (labeled from 1 to 100). There are 100 persons standing in a queue. Persons are also labelled from 1 to 100. People board on the bus in sequence from 1 to n. The rule is, if person ‘i’ boards the bus, he checks if seat ‘i’ … Continue reading Chaos in the bus

6 Pirates Fight for 1 Gold Coin

Question: Six pirates discover a chest containing 1 gold coin. They decide to sit down and devise a distribution strategy. The pirates are ranked based on their experience (Pirate 1 to Pirate 6, where Pirate 6 is the most experienced). The most experienced pirate gets to propose a plan and then all the pirates vote … Continue reading 6 Pirates Fight for 1 Gold Coin