Which number should replace the question mark?
I don't get anymore wetter, no matter how much rain falls on me.
No matter how little or how much you use me, you change me every month. What am I?
Can you arrange four 9's and use at most 2 math symbols, to make the total 100?
I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?
I am quite hot but become too cold if you remove the first two letters. What am I?
What does does this rebus picture means ?
Who can jump higher than a Mountain?
What are the 50th, 63rd and 100th numbers in the sequence below? 4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...
Can you find the key in the picture below?
While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car. How will John escape?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
