A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?
I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it. Guess the number?
Five teams were competing in cricket where they faced each other exactly once. After the tournament, the following is the point table. DareDevils 6 SuperKings 5 Royals 4 Sunrisers 2 Riders ? How many points did Riders end up with?
Can you identify the Oscar-winning movie from the rebus below?
What does this rebus mean? O N C E TIME
The centre of the third figure is empty. What digit should fit inside?
Which letter of the alphabet has the most water?
You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?
I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?
What kind of band never plays music?
What can you catch but never throw?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.