81 x 9 = 801. What must you do to make the this equation true?
Can you find a five letter word that is left with only two letters if one is removed?
This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?
Which part of London exists in France as well ?
Using eight eights and addition only, can you make 1000?
Can you solve the rebus below?
I throw two dice simultaneously. What is the probability of getting a sum as 9 of the two numbers shown?
If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?
What building has the most stories?
I have feet, but no legs. Which animal Am I?
What is the next number in the series? 15 29 56 108 208 ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
