Which tank will fill first?
If Japan and Panama decided to merge into a single country, probably people will name it Japanama. Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?
A man dies of old age on his 25 birthday. How is this possible?
Can you count the number of triangles in the given picture?
Prove that twice of ten is the same as twice of eleven.
Count the number of lines in the image below ?
I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?
Which alphabet letter is a question?
Which Number is the odd one out? A) 7145 B) 2716 C) 5321 D) 4135
I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?
Why is 6 afraid of 7?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.