assumptions you didn’t even know you were making. Today’s brainteaser has stumped thousands online, and it’s deceptively simple.
A man has 9 sons. Each son has a sister. How many people are in the family?
Puzzlesolving techniques
Take a moment. Don’t rush. Let your brain consider the possibilities. It feels straightforward at first, doesn’t it? Nine sons, each with a sister… you might immediately startcalculating.
Some people jump to: 9 sons + 9 sisters + 1 father = 19 people. But that’s where the trap lies.
The riddle never said each son had
