In which direction should the missing arrow point?
How can you write nineteen in a manner that if we take out one, it becomes twenty?
Can you find out the missing number in the grid?
You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?
No matter how little or how much you use me, you change me every month. What am I?
Rob is taller than Edwin, and Jurgen is shorter than Rob. Of only one of the following statements, we now certainly know it is correct: A.Edwin is taller than Jurgen B.Jurgen is taller than Edwin C.It cannot be determined if Jurgen or Edwin is the tallest.
Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?
I am sure no one can have two things for dinner. what are they?
Which flower has two lips?
Prove that twice of ten is the same as twice of eleven.
Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?
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
