In a class test (+3) marks are given for every correct answer and (-2) markare given for every incorrect answer and no marks for not attempting anyquestion. (i) Radhika scored 20 marks. If she has got 12 correct answers, howmany questions has she attempted incorrectly? (ii) Mohini scores-5 marks in thistest, though she has got 7 correct answers. How many questions has sheattempted incorrectly?
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