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

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

What goes through cities and fields, but never moves?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Can you count the number of triangles in the picture below?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?