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 ?

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

I can write cow in 13 letters.

Can You?

What does an Island and the letter T have in common?

Replace the question mark with the correct number below.

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

Can you find out the remainder when 3^300 is divided by 5?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?