What four weights can be used to balance from 1 to 30 pounds?

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?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

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

Count the number of triangles in the picture below:

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

Using Only Five 5's and any mathematical operator make sum as 37

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

In the image given, you can find several triangles. Can you count them all?