Birthdate together

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?




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What does Alexander the Great and Winnie the Pooh have in common?

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In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
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Game of Chess

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What is so fragile that saying its name breaks it?

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Before reading ahead, you must know the fact that only one of the people here is telling the truth.

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Amazing Facts

Crossword

The day before the 1996 U.S. presidential election, the NYT Crossword contained the clue “Lead story in tomorrow’s newspaper,” the puzzle was built so that both electoral outcomes were correct answers, requiring 7 other clues to have dual responses.