In a class test containing 15 questions, 4 marks are given for every correct answer and (–2) marks are given for every incorrect answer. (i) Gurpreet attempts all questions but only 9 of her answers are correct. What is her total score?
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the answer is 9*4=36
6*-2=-12
so the score is 36-12=24
6*-2=-12
so the score is 36-12=24
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