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The Math section of a competitive test paper has only 20 questions. The marking scheme is such that every correct answer carries 5 marks and there is a negative marking of 3 marks for every wrong answer. Peter attempted all 20 questions, but answered only 14 of them correctly. What is his total scoreGive me with all step so I can write in my revision test |
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Answer» Answer: =14×5=70 Wrong questions=6×(-3) = -18 |
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