What is the riddle which can be asked all day with a different correct answer each time.

What building has the most stories?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Which tank will fill first?

What does this rebus photo means?

Solve the mathematical equation in the picture below.

What is black when you buy it, red when you use it, and gray when you throw it away?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?