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

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

Which is heavier: a ton of bricks or a ton of feathers?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

I am the fastest animal but cannot climb the tree. What am I?

Can you write down eight eights so that they add up to one thousand?

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?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Which letter of the alphabet has the most water?