There are 26 questions in a test. A student who takes up this test gets 8 marks for a right answer and -5 marks for an incorrect answer, finally he scored 0 marks. How many answers marked are correct?; There are 26 questions in a test. A student who takes up this test gets 8 marks for a right answer and -5 marks for an incorrect answer, finally he scored 0 marks. How many answers marked are correct?
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