There are 180 multiple choice questions in a test. A candidate gets 4 marks for every correct answer, and for every un-attempted or wrongly answered questions one mark is deducted from the total score of correct answers. If a candidate scored 450 marks in the test how many questions did he answer correctly?
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he answered 112 questions iam not sure two marks still remain 1nd if we multiply 4x113 then we get 452.
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