Competitive Exam Marks
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In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.
Can you calculate how many answers given by you were wrong? 
15 correct answers = 150 points; 5 wrong ones = -25 points. Total: 125
Your Answer
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