As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

A father's child, a mother's child, yet no one's son.

Who am I?

I always drive my customer away.

Who am I?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

Why is the Hole below a Lock?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

How many times can you subtract the number 5 from 25?