In a class test containing 10 questions 5 marks awarded
for every correct answer and (-2) marks are awarded for every incorrect
answer and 0 for not attempting any of the question
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We need to find the scores of these students. Let us say for any student who gave x right questions and y wrong questions, his total marks is given as 5x + (−2)y i.e. 5x − 2y total marks. Reshma gets 5 correct answers and 5 incorrect answers. So, her total score is 5×5−2×5=15 marks.
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