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In a class test (+3) marks are given for elyare given for every incorrect answer and no marks for not attemnuquestion. () Radhikamary questions has she attempted incorrectly? () Mohini scores -5 markslest, though she has got 7 correct answers. How many questionsattempted incorrectly?attemptinscored 20 marks. If she has got 12 correct answeras

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