Can you write down eight eights so that they add up to one thousand?
Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?
What jumps when it walks and sits when it stands?
I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60. One of them is 20+20+20. whats the other way ?
The more of this there is, the less you see. What is it?
John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?
What word begins and ends with an E, but has only one letter?
On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off. How many candles Sayna have at the end?
If, A = 1 B = 2 C = 3 ... ... Z = 26. Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.
Begin with a word, five letters to my name, Remove the first and last but I am the same Take out my middle and still, I remain. What word am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.