Jokes 5

Teacher: Why did I fail in numbers? Wretched, what happens when you add ten and ten? And why did you leave out the zero?

Student: Sir, you said that zero has no value. What is the benefit of writing things that do not have a price?

Teacher: I have failed in history too. Didn't see the answer to a question, why?

STUDENT: How shall I, sir, question all the events of 500 years ago? Was I born then?