How many times do a clock's hands overlap in a day ?

How can you tell a raw egg from a hard-boiled egg?

What has many teeth, but cannot bite?

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?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

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?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

What can you see in the middle of March and April that you can never see in any other month?