Why are all black people so quick ?

What has many teeth, but cannot bite?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

I taste better than I can smell. Who am I?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

What work can one never finish?