How is the moon similar to a dollar?
In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?
Our product and our sum always give the same answer. Who are we?
Find the next number in the sequence 1, 2, 6, 21, 88, __?
You bought me for dinner but never eat me. What am I?
A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?
I am sure no one can have two things for dinner. what are they?
During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'. The candidate was selected immediately. Why?
What number divided by 4 is the same as that number minus 4?
Can you find out which options fits best with the missing column?
What has a ring but no finger?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.