Question

39. In an examination, a student scores 3 marks for every correct answer and loses one mark for every wrong answer. If she attempts all the 120 questions and sexures 80 marks, the number of questions she attempted wrongly, is : (2) 50 (1) 70 (3) 60 10​

Answer 1

Answer:

In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 75 questions and ..