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Can you calculate how many answers given by you were wrong ?

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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 had scored 125 marks in the test.

Can you calculate how many answers given by you were wrong ?

posted Sep 25, 2015 by Prithvi

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