Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?
I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.
Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?
At a Society election for president, precisely 963 votes were cast. There is a total of 4 candidates that participate in the election. The winning candidate exceeds the opponents by 53, 79 and 105 votes. How many votes do each candidate gets?
Replace the question mark with the correct number. 2 + 2= 4 3 + 3= 18 4 + 4= 48 5 + 5= ?
What can go up a chimney down, but can’t go down a chimney up?
When monkey rotate the gear, which mark will be hit 1 or 2 ?
Can you complete the sequence? 192, 021, 222, 324, 252, 627, 2__, 9__?
What has 88 keys?
John said, "If yesterday was tomorrow, today would be Friday." When did John make this statement?
What's a single-digit number with no value?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.