I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

Buy me, smell me or deliver me, I do not change.

Who am I?

Replace the question mark with the number below given a simple math problem.

What number divided by 4 is the same as that number minus 4?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Which letter of the alphabet has the most water?