A student loses 1 mark for every wrong answer and scores 2 marks for every correct answer. If he answers all the 60 questions in an exam and score 39 marks, how many of them were correct?

1. A student loses 1 mark for every wrong answer and scores 2 marks for every correct answer. If he answers all the 60 questions in an exam and score 39 marks, how many of them were correct?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. 27

2. 31

3. 33

4. 37

Answer

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