I am white when I am dirty, and black when I am clean. What am I?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

Through your logical capabilities, can you make 7 an even?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

Which number should replace the question mark?

What has 13 hearts but no other organs?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Can you solve the below tricky visual equation?