Can you replace the question mark with the correct number?
Can you find out the next digit in the following series ? 0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?
I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?
Intelligence Agency need to break the vault but the problem is that they are not able to break the vault. On the vault, a text is written as: 31 11 33 33 43 45 21 25 31 24 11 31 51 41 To Break the code Intelligence Agency brings a mathematician named Joseph. Minutes later he deciphers the code. Whats the code?
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?
What can you hold in your right hand, but never in your left hand?
You have two buckets of 11 liters and 6 litres. How can you measure exactly 8 litres?
Can you spot the man between the coffee bean in the picture below ?
A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?
There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends. What is it?
Solve the alphametic puzzle by replacing the alphabet with the number. S T O R M + S O L E S ========= T O W E L =========
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.