A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Keyboard words are not in alphabetical order, Why?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

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?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

A man was just doing his job when his suit was torn. Why did he die three minutes later?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?