Three doctors say Robert is their brother. However, Robert says he has no brother. Who's lying?

Answer: No one. The doctors are all girls.

More Medium Riddles with answers

More Medium Riddles

Two bodies have I Though both joined in one. The more still I stand The quicker I run. What am I?
Two camels were facing in opposite directions. One was facing due East and one was facing due West. They were in the desert so there was no reflection. How can they manage to see each other without walking around or turning around or moving their heads?
Two convicts are locked in a cell. There is an unbarred window high up in the cell. No matter if they stand on the bed or one on top of the other they can't reach the window to escape. They then decide to tunnel out. However, they give up with the tunneling because it will take too long. Finally one of the convicts figures out how to escape from the cell. What is his plan?
Two cops walked into a room with no windows and found a dead man who obviously hung himself from the ceiling, though they couldn't figure out how. There was no chair beneath him that he might have jumped off of, or a table. Just a puddle of water. How'd he do it?
Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be?
Two mothers and two daughters go shopping. They have $21, which they split equally between them. How can this be possible?
Two teams were playing soccer against each other. One player from Team One scored a hat trick (triple goal). Their teammates were very happy. But when he scored the fourth goal,their teammates scolded him instead. How could this be possible?
We are a pair, We can dart here and there, Though we always stay in one place. We can smile or shed tears, Show our pleasure or fears, And you'll find us on everyone's face. What are we?
We are little creatures; all of us have different features. One of us in glass is set; one of us you'll find in jet. Another you may see in tin, and the fourth is boxed within . If the fifth you should pursue, it can never fly from you. What are we?
We have legs but no flesh or bone, we have different colors of our own. What are we?
What 11-letter English word does everyone pronounce incorrectly?
What 3 common songs have the same meleody?