Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?
If eleven plus two equals one, what does nine plus five equal?
In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date.
Can you find out the numbers on both the cubes so that each date can be mentioned using them?
Please note that you have to use both the cubes to display any date. Thus the 1st day must be represented by 01 and so on.
What occurs twice in a week, once in a year but never in a day?
Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?
Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.
What Adam and Eve do not have but the rest of the people have?
John is found dead in his office at his desk. The police have narrowed the suspects down to three people: Mrs. Jacob, John’s wife Hena and his business partner Jason . All three visited John on the day of his murder, but all three provide the police with stories of explanation as to the reason for their visit.
Police found John with his wrist watch still on his right arm, a torn up picture of his wife laying on the floor beside the trash can, and an ink pen in his right hand. On the desk, the police found a name plate, a telephone that was off the hook, and a personal calendar turned to the July 5th page with 7B91011 written on it. After examining this evidence, the police knew their suspect. Who was it ?
There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?
What is full of holes but still holds water?
What is the next number in this matchsticks series riddle?
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki
