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A question paper contains 10 questions, 5 marks are awarded for every correct answer and (-2) marks for every incorrect answer and 0 for questions not attempted. Snow white gets 5 correct and 5 incorrect answers. What is her score?

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Answer:

[tex]correct = (5 \times 5) = 25 \: marks \\ incorrect = ( - 2 \times 5) = - 10 \: marks \\ unattempted = 0 \\ total = (25 - 10) \\ = 15 \: marks[/tex]

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