Suppose a clock takes 7 seconds to strike 7. How long does it take for the same clock to strike 10?
Riddle AnswerHard Riddles
Sum of Hats Puzzle
There are 3 people Abel, Bill and Clark. Three of them have numbers (positive integers) written on their hats. They can see the numbers on the other two hats but not their own. The number on one hat is the sum of the numbers on the other two hats. They are given this information and asked in turn if they can identify their number.
In the first round Abel, Bill and Clark each in turn say they don’t know. In the second round Abel is first to go and states his number is 50. What numbers are on Bill and Clark?
Riddle AnswerTwo Boys Crossing River
Two boys wanted to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both of the boys managed to cross the river using the boat. How was it possible?
Riddle AnswerStrange Product
If one costs $2, twelve costs $4 and one hundred twenty-three costs $6, what are you buying?
Riddle AnswerCylinder Surrounded by a Thousand Squares
A rich old lady died and left all her money to her grandchildren and her children. At the end of the will she stated that she had one last thing to give away: her precious diamond.
She gave a clue to where it might be. She said “it’s in a cylinder surrounded by a thousand squares.” One grandchild said, “I know where it is,” and found it. Where was it?
Riddle Answer