There are 48 questions in a test. Each correct answer fetches 1 mark, for each wrong answer 1/2 mark is deducted. A student got 21 marks and he attempted all the questions. Find the number of questions answered wrongly.
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Each question fetches 1 mark so 21 marks can be fetched by answering 21 questions. He attempted all 48 questions so, the number of questions answered wrongly is 48-21=27. IF MY ANSWER IS CORRECT THEN MARK IT AS BRAINLIEST.
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18 questions are wrong
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