In a test (+4) marks are given for every correct answer and (–2) marks are given for everyincorrect answer. a) Sonam answered all the questions and scored 24 marks though she got 9 correct answers. b) Ravi answered all the questions and scored (–4) marks though he got 5 correct answers. How many incorrect answers had they attempted?
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Reena got 5 incorrect answers and Rahul got 9 incorrect answers
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