There is a bus full of people travelling over San Francisco and no one gets off the bus throughout the journey. But when it gets to the other side there is not a single person left. How is this possible?

Answer: They are all married.

More Classic Riddles with answers

More Classic Riddles

There is a clerk at the butcher shop, he is five feet ten inches tall, and he wears size 13 sneakers. He has a wife and 2 kids. What does he weigh?
There is a creature which could double its size every day. So, if the creature is put in a tank then it will fill the tank in 10 days. How many days would it take for the creature to fill 1/2 and 1/4 of the tank?
There is a dead man in the middle of a field, nothing is around him and there are no footprints of any sort. There is an unopened package next to him. How did he die? HINT: As he approached the field he knew he was going to die.
There is a house. One enters it blind and comes out seeing. What is it?
There is one word in the English language which is universally considered a preventive of harm; change a certain letter in it, and you make it an act of cruelty. What are the words?
There once was a book that was only owned by the wealthy, but now everyone can have it. You can't buy it in a bookstore or take it from a library. What book is it?
There was a man who was born before his father, killed his mother, and married his sister. Yet, there was nothing wrong with what he had done. Why?
There's a body lying dead on a bed, and on the floor beside it is a pair of scissors. The scissors were instrumental in his death, yet there's no trace of blood. The body reveals no signs of any cuts or bruises. How could the person have been murdered with the pair of scissors?
They fill me up and you empty me, almost everyday; if you raise my arm, I work the opposite way. What am I?
This thing devours all things. All man, all beasts, all flowers and trees. Even the fiery sun, and the shadowy moon, will one day be devoured by this thing. Stone it grinds, metal it bites. And it shall make wood rot. Is it powerful? Well it is rather not, but it kills powerful things a lot. Its immortal yet it is not some type of god. What is it?
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face. What is it?
Three-fourths of a cross, and a circle complete, An upright where two semicircles meet, A rectangle triangle standing on feet, Two semicircles, and a circle complete. What is it?