In a class test containing 15 questions,4 marks are given for every correct answer and (-2)marks are give for every incorrect answer. Gurpreet attempts all questions but only 9 of her answers are correct. what is her total score?
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Step-by-step explanation:
Total questions = 15.
Correct answers = 9
Wrong answers = 15 - 9 = 6
Total score = 9 * 4 + 6 * (-2) = 36 - 12 = 24.
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