When can we add 2 to 11 and get 1 as the correct answer?
A word I know, Six letters contain, Subtract just one, And twelve is what remains.
There are 3 apples in the basket and you take away 2. How many apples do you have now?
Replace the 'X' with any mathematical symbol to make the expression equal to 111. 18 X 12 X 2 X 3 = 111
Look at this sequence from top to bottom. What is the next number in the sequence? 1 11 21 1211 111221 312211
One is to three as three is to five and five is to four and four is the magic number. What is the pattern?
Railroad Crossing, look out for the cars. Can you spell that, without any R's ?
There are forty elephants and they have forty-fore heads. How can this be possible?
I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it. Guess the number?
What can go up a chimney down, but can’t go down a chimney up?
I cannot talk, but I always reply when spoken to. What am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
