A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

What is the centre of gravity?

How can you make a TV, a bed, a dog, and a car liquid?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

Why Aeroplane windows are round?

What country can make you shiver?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?