In an examination, there are 5 multiple choice questions with 3 choices, out which exactly one i...

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In an examination, there are 5 multiple choice questions with 3 choices, out which exactly one is correct. There are 3 marks for each correct answer, -2 marks for each wrong answer and 0 mark if the question is not attempted. Then, the number of ways a student appearing in the examination gets 5 marks is
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