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# Puzzles, Riddles & Brain Teasers

## Logic Puzzles

One of the best brain teasers and riddles goes as follows:
There are three switches downstairs. Each corresponds to one of the three light bulbs in the attic. You can turn the switches on and off and leave them in any position.
How would you identify which switch corresponds to which light bulb, if you are only allowed one trip upstairs?
Solution and More Puzzles

## Logic Riddles

Brothers and sisters, I have none but this man's father is my father's son.
Who am I looking at?
Solution and More Riddles

## Logic Questions

You are shown two doors - one leading to hell and the second one to heaven and only the door guards know what is behind the doors. One guard is always lying and the other is always telling the truth (of course, you don't know who is lying). You can ask only one guard one question.
What question can get you to heaven?
Solution and More Problems

## Einstein's Riddle

A fellow encountered a bear in a wasteland. Both got frightened - fellow ran to the north, bear to the west. Suddenly the fellow stopped, aimed his gun to the south and shot the bear.
What color was the bear?
Solution and Grid Puzzles

## River Crossing Puzzles

Three missionaries and three cannibals want to get to the other side of a river. There is a small boat, which can fit only two. To prevent a tragedy, there can never be more cannibals than missionaries together.
How could all of them get safely across the river?
Solution and More Similar Puzzles

## Water & Weighing

If you had a 5-liter bowl and a 3-liter bowl, and an unlimited access to water, how would you measure exactly 4 liters?
Solution and More Weighing Puzzles

## Numbers & Sequences

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year.
What day is my birthday?

## Algebra & Cryptograms

Replace each letter for a unique digit so that the equation is correct.
(J+O+I+N+T)3 = JOINT

## Geometry Puzzles

Your task is to dissect the following picture into 2 sections from which you could make a rectangle 6x4 squares.

## Picture & Rebus Puzzles

Enter the letters A, B, C and D once in each row and column. The clues outside the grid indicate which letter appears first from that direction.

## New Riddles

Check out good new riddles and brain teasers posted to our New Puzzles Forum this week. You could be the first person to solve them. Enjoy!
More Unsolved Riddles

## Top 10 Puzzles

You've got 27 coins, each of them is 10 g, except for 1. The 1 different coin is 9 g or 11 g (heavier, or lighter by 1 g). You should use balance scale that compares what's in the two pans. You can get the answer by just comparing groups of coins.
What is the minimum number weighings that can always guarantee to determine the different coin.
Answer and More Top 10 Puzzles

If someone says "I always lie", are they telling the truth? Or are they lying?

## More Fun for the Brain

If by some miracle you would still be bored, then be sure to check out several unblocked games that can be a lot of fun. One of the best games I ever played is Bloxorz - give it a try, you won't regret it. It's simple and addictive for any puzzle enthusiast.