10+10 and 11+11 can give you the same answer.

Explain how?

What has to be broken before you can use it?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

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

Give it food and it will live; give it water and it will die.

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What is the end of everything?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------