Can you find the thief by just looking at the picture below?

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

How is this possible?

What can you catch but never throw?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

What have one eye but still cannot see?

What does the below mathematical rebus mean?

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?