John was piloting a plane behind a car but was never able to overtake it. Why?
Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."
How old are the daughters?
Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?
You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.
How can you write nineteen in a manner that if we take out one, it becomes twenty?
The day after tomorrow will be three days before Tuesday. Can you find out what is today?
How many sides does a circle have?
How many pluses should we put between the digits of 987654321 to get a total of 99, and where?
Can you find a rabbit in the given picture?
81 x 9 = 801. What must you do to make the this equation true?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.