81 x 9 = 801. What must you do to make the this equation true?
Who is that with a neck and no head, two arms and no hands? What is it?
Use only one mathematical symbol and all numbers (0-9) to get a sum of 99
Outside a massage parlour, there is a board that reads "I only massage those who do not massage themselves." Reading the above statement, does the masseur massage himself?
What do you call a fish without an eye?
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 has hands, but can’t clap?
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?
You bought me for dinner but never eat me. What am I?
Solve below popular number sequence 314 159 265 358 979 323 846 ?
What is full of holes but still holds water?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
