A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

What jumps when it walks and sits when it stands?

What is the centre of gravity?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Keyboard words are not in alphabetical order, Why?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?