What is the next number in this series?

4,12,84,3612....

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

What do you answer even though it never asks you questions?

What is the end of everything?

Can you name an animal whose killing cannot be performed without spilling your own blood?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

A couple went on a climbing trip. But only the husband returned from the vacation and said that his wife slipped off while climbing and died. On investigating, the local sheriff arrested him saying, 'Your travel agent called. You murdered your wife.'

The man did not inform anyone about the trip. Then how was the agent so sure that it was a murder?

Do You See It?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?