What goes up but never comes down?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

What goes through cities and fields, but never moves?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Which letter of the alphabet has the most water?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

John bought a new car. He has a habit of eating ice cream from a particular ice cream shop while returning home from office. Whenever, he eats strawberry ice cream, he faces no problem. But whenever, he eats chocolate ice cream, the car starts giving problem. At first, he thinks, it is just a co-incidence but when this awkward incident happens for 3-4 times, he reports this problem to the company.

The mechanic of the company checks but finds no problem at all. The next day, when he stops by to eat chocolate ice cream, the car again starts giving problem.

Can you find the possible reason?