There is a table on which 20 coins are placed. You also know that there are 10 coins with heads up, and 10 coins with tails up. You are blind folded and there is no way to determine which side is up by rubbing, etc.
Your task is to create two groups of coins, each having the same number of heads and tails. You may only move or flip coins. How can you accomplish this while being blindfolded?
Riddle AnswerUnlike Joe, I was lying when I denied arguing against scrapping the proposal. Was Joe in favor of or against the proposal?
Riddle AnswerThere are two planes. One is flying from New York to Tokyo at a speed of 800 MPH. The other is flying from Tokyo to New York at a speed of 700 MPH.
When the planes meet, which one will be closer to Tokyo?
Riddle AnswerThree closed boxes have either white marbles, black marbles or both, and they are labeled white, black and both. However, all three boxes are mislabeled. You may reach into one of the boxes and pull out only one marble.
Which box should you remove a marble from to determine the contents of all three boxes?
Riddle AnswerEvery day, a man crosses the border of Mexico on a bicycle with two bags of sand.
The custom officers check his bags and they are full of sand. The custom officers are aware that he is smuggling something but are not sure what is it exactly. As they do not have any evidence, they let him cross the border.
What is he smuggling?
Riddle Answer