One is to three as three is to five and five is to four and four is the magic number. What is the pattern?
What is always in front of you but can’t be seen?
Where do fish keep their money?
What has one eye, but can’t see?
I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?
The first box has two white balls. The second box has two black balls. The third box has a white and a black ball. Boxes are labeled but all labels are wrong! You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball. How many such operations are necessary to correctly label the boxes?
Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?
Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?
I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?
A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?
The day after tomorrow will be three days before Tuesday. Can you find out what is today?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.