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?

How do you go from 98 to 720 using just one letter?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

You need to move three matchsticks to form three squares. Can you do it?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

How could a baby fall out of a twenty-story building onto the ground and live?

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?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.