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Mathematics, 12.08.2020 07:01 chanahvanya
In a class test containing 10 questions, 5 marks are awarded for every correct answer and (−2) marks are awarded for every incorrect answer and 0 for questions not attempted. Heena gets two correct and five incorrect answers out of seven questions she attempts. What is her score?
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In a class test containing 10 questions, 5 marks are awarded for every correct answer and (−2) marks...
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