What is in seasons, seconds, centuries and minutes but not in decades, years or days?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Which number comes next in the number series?

2, 9, 30, 93, ?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

If eleven plus two equals one, what does nine plus five equal?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

What phrase is represented by the Rebus

What is the next number?

77, 49, 36, 18 ?

What word is pronounced the same if you take away four of its five letters?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?