What is common among 11, 69, and 88?
People make me, save me, change me, raise me. What am I?
If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?
My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?
Can you decipher these quotes by Albert Einstein? Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.
what does the below rebus mean?
This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?
The square root of number 121 is "11". What is the square root of the number "12345678987654321."?
If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?
What do you get if you add 2 to 100 four times?
Can you figure out the logic I used to decide the order of the following words: gun, shoe, spree, door, hive, kicks, heaven, gate, line, den
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.