What question can you never answer yes to?
Can you find the odd number in the following five choices? 1) 482636 2) 259807 3) 865195 4) 104739 5) 391744
If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?
If an electric train is travelling south, then which way is the smoke going?
Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?
Why Wine Glass Stem is so long?
Can you think of any three-dimensional shape that comprises of exactly two surfaces?
Which tank will fill first?
If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?
Can you count the number of seconds in a year? Clue: You need to bother about calculation.
I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.