Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.
You can, however, ask one robot one question. The problem is one robot always tells the truth, the other always lies and you don't know which is which.
What is the question you ask?

What occurs twice in a week, once in a year but never in a day?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

How could a baby fall out of a twenty-story building onto the ground and live?