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Please help class7 maths integers chapter:In a competitive exam of 40 questions , +2 is rewarded for every correct answer and ‐1 for every wrong answer. find the total score if a student had 12 wrong answers in his attempt of all the questions. explanation with step by step with statement |
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Answer» Step-by-step explanation: student attempt all of the QUESTION = 40 wrong ANSWERS = 12 Mark deducted for the wrong answers = 12(-1) = -12 correct answers = 40 - 12 = 28 Mark rewarded for the correct answers = 28(2) = 56 Total SCORE = 56 - 12 = 44 |
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