What goes up but never comes down?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

I am the fastest animal but cannot climb the tree. What am I?

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

The answer I give is yes, but what I mean is no. What was the question?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

What is the end of everything?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

Why is a river so rich ?

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?