Why do people go to bed?
Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal? Note: 9 cannot be turned over to make it 6.
What does this simple rebus mean?
There is a shop where written: Buy 1 for $1 10 for $2 100 for $3 I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?
What does the below rebus puzzle mean?
I am a five-letter word under you, Remove the first letter and I am above you, Remove the second as well and I am around you. Who am I?
It is a nine-letter word. The exact opposite of the phrase "friendly and outgoing" It contains the word "over". It starts will a vowel. What is it?
What kind of band never plays music?
As a whole I am both safe and secure. Behead me and I become a place of meeting. Behead me again and I am the partner of ready. Restore me, and I become the domain of beasts. What am I?
Spot 5 differences in two Christmas tree below:
Replace the question mark with the correct number.
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.