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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Why is the Hole below a Lock?

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Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

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I am a word of 12 alphabets.

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On whole it means a person suffering from delusions of greatness.

What Is it ?

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It's a test that will check your IQ.

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We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

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I am an eight letter word and I am a computer terminology.
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Artificial Intelligence

Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.