There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

What Does this text mean:

important=important

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Can you find the mistake in the below statement?

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

That attorney is my brother, testified the accountant.

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

Who is lying?

Count the number of balls in picture below:

What is always in front of you but can’t be seen?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?