What four weights can be used to balance from 1 to 30 pounds?
Only one color, but not one size, Stuck at the bottom, yet easily flies. Present in sun, but not in rain, Doing no harm, and feeling no pain. What is it?
The dirtier I get, the whiter I look. Who am I?
Find the missing number in the image below.
Why 1729 is a magic number? Answer Logically.
What's the only room from which no one can enter or leave
What is common among 11, 69, and 88?
If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?
What goes through cities and fields, but never moves?
Do You See It?
Decode below three cipher riddles: 26 L of the A 7 D of the W 1000 Y in a M
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
