Why did the Girl throw the butter out of the window?

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?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

There is something which is always coming but never arrives?

Solve the following series:
AZ, GT, MN, __, YB

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

How could a baby fall out of a twenty-story building onto the ground and live?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?