1. There are 45 questions in an exam. For every correct answer 5 marks is awarded and for every wrong answer 3 marks is deducted. Melissa scored 185 marks. How many correct answers did she give? * are given for every correct answer and (-3) marks are given for every incorrect answer.If Rakesh scores 23 marks by attempting 19 questions.How many questions has he attempted correctly and how many has he attempted incorrectly?
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The answer of this question is 37
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