In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special. This date is special as: Date * Month = Year. Can you figure out which year of this century has a maximum number of such dates?
The more of this there is, the less you see. What is it?
If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following: 21 Q 7 R 9 S 10 P 13
Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?
Look at the picture and find out which square is not linked with any of the other squares.
What does this rebus puzzle means ?
Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game. How ?
I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?
Forwards I am heavy, backward I am not. What am I?
If 24H in a D => 24 hours in a day. What does "64S on CB" stand for?
John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask. What is John Situation ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.