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?

Imagine you are in a room with no windows or doors. How will you get out?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

What has no start, end, or centre?

What is full of holes but still holds water?

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?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

What has many keys but can’t open a single lock?