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On this site you'll find lots of logic puzzles and riddles, puzzling riddles,
science puzzles and math puzzles and riddles.

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math puzzle

Also having birthday today?

Out of how many people should a group at least consist in order to have that the probability that two persons out of that group are having birthday on the same day, is larger than 1/2?

mail puzzle

rating 2.4/5

answer - solution

puzzle top 10

1.	Einstein's riddle	logic puzzle	rating: 4.0/5


2.	Lockers	math puzzle	rating: 3.6/5


3.	Lost your way	logic puzzle	rating: 3.5/5


4.	Find the way to freedom	logic puzzle	rating: 3.5/5


5.	Divisible from 1 to 9	math puzzle	rating: 3.5/5


6.	Always but never	puzzling puzzle	rating: 3.4/5


7.	The superstitious president	logic puzzle	rating: 3.4/5


8.	The entire universe	puzzling puzzle	rating: 3.4/5


9.	Bob and John	math puzzle	rating: 3.4/5


10.	Dots and lines	logic puzzle	rating: 3.4/5

Last changed 21-07-2008