When I got four, I have it none. When I got two, I have it some. When I got none, I have it all. What is it?
This is a classy optical illusion puzzle. What more you can find except bricks in the image below?
There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units. Can you calculate the dimensions of this box with the given data?
Find the next number in the following series: 6, 14, 26, 98, __?
If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?
How many bananas can you eat if your stomach is empty?
John was drowned by he was not wet. How?
With the help clues provided in the image, can you find the 5 digit key?
Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.
A bomb exploded in a room full of married couples and no one died. How?
What can you deduce from the following BrainBat? CRY LMKI
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
