Why is the Hole below a Lock?

It was a dark stormy night and a couple were in a car driving madly to a city. The car broke down and the husband had to go get help from someone who spoke his language. He was afraid to leave his wife alone in the car so he locked the car before leaving. When he came back, the car was in the same state as he had left it but his wife was dead, there was blood on the floor and there was a stranger in the car. What happened?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

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

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What came first, the chicken or the egg?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

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

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?