Puzzles

Puzzles is a collection of 150 brainteasers arranged in 10 categories. Some are easy, some are hard, but most are interesting and a little bit of fun. Some of the puzzles are tricks, some require a little bit of head scratching, some of which could keep you thinking long into the night. All puzzles have hints to help you along, so you can still have a go without seeing the answer. Please take ample time to solve the puzzle before looking at the solution. Otherwise it won't be as much fun. Puzzle are organized in following categories -
1) Sequence Puzzles
2) Word Puzzles
3) Logic Puzzles
4) Math Puzzles
5) Riddles
6) Lateral Thinking Puzzles
7) Sam Lloyd Puzzles
8) Measuring and Weighing Puzzles
9) Probability Puzzles
10) Miscellaneous Puzzles (Einstein's and Card Puzzles)
Ratings of puzzles are as follows -
* Easy
** Intermediate
*** Moderate
**** Challenging
***** Genius