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?

What do you see in the image below

How many words can a pen with half refill write?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

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

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

I am quite hot but become too cold if you remove the first two letters. What am I?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

What question can you never answer yes to?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?