There are 500 coffins and 500 men who need them. The undertaker asks the first man to go to every coffin and open them. Then he tells the second man to go to every one and close it. The third one goes to every third coffin and so on. How many are open?
Answer: 22
123=0
4235=0
656=2
5390=2
8890=6
1001=2
19235=1
What is 123456789?
A murderer is condemned to death. He has to choose between three rooms. The first is full of raging fires, the second is full of assassins with loaded guns, and the third is full of lions that haven't eaten in 3 years. Which room is safest for him?
See answerWhat gets bigger the more you take away?
See answerSelect a pack of riddles and try to solve it in an interesting way.
This riddle appears in the following downloadable PDF files:
Complete the grid by using logic and the given clues of each problem.
A traditional word search game updated four times per day.
Einstein said that only 2% of the world could solve this problem. Can you do it?
Use logic deductions to solve problems that are similar to the Einstein's Riddle.
This is a Zebra Puzzle that was supposed created by Albert Einstein in the beginning of 20th century.
Exercise your brain muscles by solving the famous logic puzzle on a grid.
Keep your mind busy playing some challenging zebra puzzles.
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