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

Which alphabet is a part of our body?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

How can you leave a room with two legs and return with six legs?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?