. A student loses a mark for every wrong answer and – scores 2 marks for every correct answer. If he answers all the 60 questions in an exam and scores 39 marks, how many of them were correct?

. A student loses a mark for every wrong answer and – scores 2 marks for every correct answer. If he answers all the 60 questions in an exam and scores 39 marks, how many of them were correct?

A 31

B 37

C 33

D 27

Solution

Correct Answer: Option C