Puzzle: Every day, Jack arrives at the train station from work at 5 pm. His wife leaves home in her car to meet him there at exactly 5 pm, and drives him home. One day, Jack gets to the station an hour early, and starts walking home, until his wife meets him on the road. … Read More →
Top 10 Logic Puzzles
So you think you are clever, right? Then here is your chance to pit your brain against some of the world’s hardest logic puzzles ever created. 1. 10 identical bottles of pills We have 10 identical bottles of identical pills (each bottle contain hundred of pills). Out of 10 bottles 9 have 1 gram of … Read More →
2 Player and N Coin – Strategy Puzzle
Puzzle: There are n coins in a line. (Assume n is even). Two players take turns to take a coin from one of the ends of the line until there are no more coins left. The player with the larger amount of money wins. Would you rather go first or second? Does it matter? Assume … Read More →
Minimum no Of Aircraft Puzzle
Puzzle: On Bagshot Island, there is an airport. The airport is the home base of an unlimited number of identical airplanes. Each airplane has a fuel capacity to allow it to fly exactly 1/2 way around the world, along a great circle. The planes have the ability to refuel in flight without loss of speed … Read More →
Chickens and Rabbits | Math Puzzle
Puzzle: There are several chickens and rabbits in a cage (with no other types of animals). There are 72 heads and 200 feet inside the cage. How many chickens are there, and how many rabbits? Puzzle Solution: Let c be the number of chickens, and r be the number of rabbits. r + c = … Read More →
Frog and Well Puzzle
Puzzle: A frog is at the bottom of a 30 meter well. Each day he summons enough energy for one 3 meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him … Read More →
The Pill Problem | Hard Brain Teaser
Puzzle: This is very hard brain teaser. A man has a medical condition that requires him to take two kinds of pills, call them P1 and P2. The man must take one P1 pill and one P2 pill each day, or he will die. If he takes more than 1 pill of the same kind … Read More →
100 Blue Eyes Puzzle
Puzzle: This puzzle is one of the hardest puzzle in the world. If you are able to solve this, believe me you are genius. A group of people with assorted eye colors live on an island. They are all perfect logicians — if a conclusion can be logically deduced, they will do it instantly. No … Read More →
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