Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

The more you take me, the more you leave me behind.
Who Am I?

Move four matchsticks to the below square to form three squares?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?