A man dies of old age on his 25 birthday. How is this possible?
What do you answer even though it never asks you questions?
How can you tell a raw egg from a hard-boiled egg?
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?
Replace the question mark in the picture below.
When I get multiplied by any number, the sum of the figures in the product is always me. What am I?
The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?
Find three whole, positive numbers that have the same answer when multiplied together as when added together.
When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?
Keyboard words are not in alphabetical order, Why?
Count the number of balls in picture below:
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
