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
Betting Racquet
Susan and Lisa decided to play tennis against each other. They bet $1 on each game they played. Susan won three bets and Lisa won $5. How many games did they play?
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 AnswerThree Spies
Three spies, suspected as double agents, speak as follows when questioned:
Albert: “Bertie is a mole.”
Bertie: “Cedric is a mole.”
Cedric: “Bertie is lying.”
Assuming that moles lie, other agents tell the truth, and there is just one mole among the three, who is the mole?
Riddle Answer