a test has 90 question. students get 6 marks for every correct answer, lose 3 marks for every incorrect answer, and lose one marks for every unanswered question. if the net score of a student is 324 marks. the number of questions answered incorrectly by the student is at most?
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36 answers were incorrectly answered as per the question.
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36 answers were incorrectly answered as per the question.
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