A woman has four daughters, and every daughter has exactly one brother. How many children does the woman have in total?
5 children.
All four daughters share the same single brother, meaning there are 4 daughters and 1 son.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Easy. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
More logic riddles
I have no legs, but I beat all day, and I live inside your chest. What am I?
Four people need to cross a rickety rope bridge at night. They have only one flashlight, and the bridge can hold at most two people at a time. Their individual crossing times are 1, 2, 5, and 10 minutes. When two people cross together, they must walk at the pace of the slower person. What is the minimum total time required for all four people to cross to the other side?
Four books are stacked on a shelf. The history book is directly on top of the poetry book. The science book is below the poetry book. The math book is above the science book and below the history book. What book is at the very bottom of the stack?
In a secret underground laboratory, every scientist is either a geneticist or a physicist, but never both. There are twice as many geneticists as physicists. If there are 33 scientists in total working in the laboratory, how many physicists are there?
A shepherd needs to cross a river with a wolf, a goat, and a cabbage. The boat can only hold the shepherd and one item at a time. If left unattended, the wolf eats the goat, and the goat eats the cabbage. How many one-way trips across the river must the shepherd make in total to transport all three safely?
A row goes: seed, seed, bee, seed, seed, bee, seed, seed. What comes next?

