The matchstick problem made many people confused
The puzzle problem requires turning two triangles from 6 matches into 4 shapes by moving only two rods but not everyone can find the answer right away.Answering these 2 questions can be a genius or schizophrenic
If you are a normal person, it is difficult to identify anything unusual in this mask.Only those with logical reasoning can break this hard case
Thrilling cases, detective stories follow criminals ... which always attract a large amount of attention of many young people.