Mr. Smith has 4 daughters. Each of his daughters has a brother. How many children does Mr. Smith have?

Answer: five

More Math Riddles with answers

More Math Riddles

My age today is three times what it will be three years from now minus three times what my age was three years ago. How old am I?
My daughter has many sisters. She has as many sisters as she has brothers. Each of her brothers has twice as many sisters as brothers. How many sons and daughters do I have?
Once upon a time there were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?
One brick is one kilogram and half a brick heavy. What is the weight of one brick?
One fourth of the population of a newly discovered planet have 4 legs. The rest have two legs. There are 60 legs total. How big is the population of the newly discovered planet?
One out of 9 otherwise identical balls is overweight. How can it be identified after 2 weighings?
Out of 100 ladies attending the gala,85 had a white hand bag;75 had black shoes;60 carried an umbrella;90 wore a ring; How many ladies must have had all four items?
Place three matches on a table. Tell a friend to add two more matches to make eight.
Placed above it makes greater things small. Placed beside it makes small things greater. In matters that counts it always comes first. Where others increase it keeps all things the same. What is it?
Raise me none, and I'm unbeaten. Raise me once, I am as well. Raise me thrice, and I am eaten. All said right, but wrongly spelled. Who am I?
Robert and David played several golf matches against each other in a week. They played for a pizza at each match, but no pizzas were purchased until the end of the week. If at any time Robert and David had the same number of wins, those pizzas were canceled. Robert won four matches (but no pizzas), and David won three pizzas. How many rounds of golf were played?
Sally is 54 years old and her mother is 80, how many years ago was Sally's mother three times her age?