A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Can you find the dog hidden in a group of pandas?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

why number 8549176320 is one of a kind?