See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

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

How far can you walk into the woods?

The more it dries, the wetter it becomes. Can you tell what it is?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

Who has married many women but was never married?