In a class test (+3) marks are given for every correct answer and (-2) marks are given for every incorrect answer and no marks for not attempting any question:(i) Radhika scored 20 marks. If she has got 12 correct answers, how many questions has she attempted incorrectly?
step by step answer please
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are U a student of JV and 7 std tell me
are u A chaitanaya student
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here da your answer
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