What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?
Manish and Manoj play 5 games of chess. Both Manish and Manoj win the exact same number of games. There is no tie at all. How?
Who is generally closer to the kids, mom or dad? (it's a funny riddle)
There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units. Can you calculate the dimensions of this box with the given data?
There is something which you can be arrested for attempting but not for successfully completing.
Can you solve this amazing hard number series problem? 7, 8, 10, 12, 16, 18 ?
What 5-letter word typed in all capital letters can be read the same upside down?
Can you count the number of squares in the figure below?
Identify The phrase in the picture.
If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten. How is this possible?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.