Find The Next Number in the series: 12 13 15 17 111 113 117 119 123 ?
Can you find out what is missing? 1 3 5 2 4 ? Hint: It's not six. Think out of the box.
You need to move three matchsticks to form three squares. Can you do it?
Railroad Crossing, look out for the cars. Can you spell that, without any R's ?
You see a boat filled with people, yet there isn’t a single person on board. How is that possible?
What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?
On a bus, there is a 26-year-old pregnant lady. A 30-year-old policeman. A 52-year-old random woman. And the 65-year-old driver. Who is the youngest?
How many times in a given day, minutes and hour clock comes in a straight line ?
You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up. In how many different ways you can climb 10 stairs?
What number divided by 4 is the same as that number minus 4?
If eleven plus two equals one, what does nine plus five equal?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
