Mathematics, 30.09.2019 08:30 robbiegfarmer

In a competitive examination, one mark is awarded for each correct answer, while ½ mark is deducted for each wrong answer. jayanti answered 120 questions and got 90 marks. how many questions did she answer correctly?

Answers: 2

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In a competitive examination, one mark is awarded for each correct answer, while ½ mark is deducted...