Nisha got 89 marks out of 100 in her maths exam. When she saw her answer sheet, she noticed that her teacher made a mistake in counting and gave her 1 extra mark. If you were in the same situation as Nisha was what would you do?

• A. Sit quietly in the class
• B.  Tell the teacher about the mistake
• C.  Make fun of your teacher among your friends.
• D.  Both  and