Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

What is the next number in the series?

15 29 56 108 208 ?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Can you count the number of triangles in the picture below?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

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

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

There is something which you can be arrested for attempting but not for successfully completing.