Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

What is the centre of gravity?

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

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

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

If an electric train is travelling south, then which way is the smoke going?