What goes up but never comes down?

What can jump higher than a building?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

How many bananas can you eat if your stomach is empty?

Can you solve the below geography rebus by decoding the below rebus ?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

What is the centre of gravity?

The Little ant seems to be always confused. Do you know why?