John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

Can you place six X (crosses) in below board without making three in a row in any way ?

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?

What do you get if you add 2 to 100 four times?

How many times in a given day, minutes and hour clock comes in a straight line ?

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.

The more it dries, the wetter it becomes. Can you tell what it is?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?