A maths symbol is hidden in the below Bar Graph. Can you decipher it?

What can go through glass without breaking it?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.

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?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

What can you hold in your right hand, but never in your left hand?

No matter how little or how much you use me, you change me every month. What am I?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

There was a strange boy who was born before his father. How can this be possible?