Question 8
In a test there are 100 questions. A candidate gets 4 marks for each correct answer, and a minus of 1 for each wrong answer. If the candidate scores 350 marks, how many correct answers did he have?
Assume every one of the 100 questions is answered and is either correct or wrong; there are no blank responses.
Assume every one of the 100 questions is answered and is either correct or wrong; there are no blank responses.