Question
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 secures
125 marks, the number of questions he attempts correctly, is
Answer: Option B
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Let the number of correct answers be x.
Number of incorrect answers = (75 - x).
4x - (75 - x) = 125 or 5x = 200 or x = 40.
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