A Woman Was Horrified To Find A Fly In Her Tea. The Waiter Took Her Cup And Went Into The Kitchen
Riddle: A woman was horrified to find a fly in her tea. The waiter took her cup and went into the kitchen and returned with a fresh cup of tea. She shouted, "You brought me the same tea!" How did she know?
Answer: She had already put sugar in it and when she tasted the new tea it was already sweet.
Source: https://www.riddles.com/115
