What occurs twice in a week, once in a year but never in a day?

What Adam and Eve do not have but the rest of the people have?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Can you find the key in the picture below?

I make two people out of one. What am I?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

Can you count the number of matches in the picture below ?