When it's bad luck to meet a black cat?
What work can one never finish?
There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only. Can you find that number?
I travel all around the world but always stay in the corner. What am I?
What three numbers, none of which is zero, give the same result whether they’re added or multiplied?
Out of four images which one is the odd one out?
How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?
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.
You have two buckets of 11 liters and 6 litres. How can you measure exactly 8 litres?
There are five vowels (a, e, i, o, u) in the English language. Can you tell us a word that contains all these vowels?
John said, "If yesterday was tomorrow, today would be Friday." When did John make this statement?
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