A box contains 12 marbles of three different colours: green, yellow and blue — 4 each. If you were to close your eyes and pick them at random, how many marbles must you take out to be sure that there are at least two of one colour among the marbles picked out?
Riddle AnswerLogic Riddles
Tallest Skyscraper
The world’s tallest skyscraper took seven years to build. Each year the workmen were able to double its height. How many years did it take for the skyscraper to reach half of its maximum height?
Riddle AnswerMr. Flynn’s Height
Brothers and Sisters
Julie says to her brother Pete: “I have as many sisters as brothers.”
“Yeah, well,” replies Pete: “I’ve got twice as many sisters as I have brothers.”
How many sisters and brothers are there?
Riddle AnswerBurglary Report
The Johnsons have just reported a robbery. “All the wife’s jewels are missing. You’ll want to check inside for fingerprints,” Mr. Johnson said to the policeman, pointing to the broken window glasses on the outside of the house. The burglar presumably entered the house by breaking through the window.
The policeman noticed that the inside of the house had a number of very tiny pieces of window glass particles scattered around near the broken window area and replied, “That won’t be necessary. There’s been no burglary.” What made the policeman so sure?
Riddle Answer