What is harder to catch the faster you run?
I possess a head I flaunt a tail But I don't have mouth or legs Can you find out who I am?
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?
I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?
Can you write down eight eights so that they add up to one thousand?
You need to arrange three 7 and mathematical symbols to form number 1?
Identify the 10 differences between the two given pictures.
No matter how little or how much you use me, you change me every month. What am I?
Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?
What is more useful when it is broken?
What is both possible and impossible at the same time?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.