There are twenty-six coins lying on a table in a totally dark room. Ten are heads and sixteen are tails. In the dark, you cannot feel or see if a coin is heads up or tails up.
Your task is to separate the coins into two groups so that each group has the same number of coins heads up as the other group. You may move or flip the coins. How can you accomplish this? No tricks are involved. Riddle Answer
A cable of 80m (meters) is hanging from the top of two poles that are both 50m from the ground.
What is the distance between the two poles, to one decimal place, if the center of the cable is 10m above the ground? Riddle Answer
4 criminals are caught and are to be punished. The judge allows them to be freed if they can solve a puzzle. If they do not, they will be hung. They agreed.
The 4 criminals are lined up on some steps (shown in picture). They are all facing in the same direction. A wall separates the fourth man from the other three.
So to summarise :
Man 1 can see Man 2 and Man 3.
Man 2 can see Man 3.
Man 3 can see none of the others.
Man 4 can see none of the others.
The criminals are wearing hats. They are told that there are two white hats and two black hats. The men initially don’t know what colour hat they are wearing. They are told to shout out the colour of the hat that they are wearing as soon as they know for certain what colour it is.
They are not allowed to turn round or move. They are not allowed to talk to each other. They are not allowed to take their hats off.
Who is the first person to shout out and why? Riddle Answer