Best easy riddles

What always runs, but never walks, often murmurs, never talks, has a bed, but never sleeps, has a mouth, but never eats?

What happens when you fall in love with a french chef?

Guy de Maupassant hated the Eiffel Tower. So every day, he had lunch in the one place where it couldn't be seen. What was that place?

I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty.

Which vehicle is spelled the same forwards and backwards?

I am not alive but I grow. I don't have lungs but I need air. What am I?

I’m the end of the colourful rainbow. What am I?

What is the shortest complete sentence in the English language?

On the first day of the school a young girl was found murdered. Police suspect four male teachers and question them. They were asked what they were doing at 8:00 am. Mr. Walter: I was driving to school and I was late. Mr. Thomas: I was checking English exam papers. Mr. Benjamin: I was reading the newspaper. Mr. Calvin: I was with my wife in my office. The police arrested the killer. How did the police find the murderer?

What can run but can't walk?