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 AnswerLogic Riddles
Mr. 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 AnswerPocket Money
You have unlimited supply of 1¢, 5¢, 10¢, 25¢ and 50¢ (penny, nickel, dime, quarter, half-dollar respectively) coins. What is the fewest number of coins required to have an exact change for all possible items that cost from one cent up to and including one dollar in one-cent increments?
Riddle Answer