In a competitive examination 1 mark is awarded for a correct answer, 0 marks for an unattempt question and \frac{1}{2} mark is deducted for every wrong answer. Ambika answered 120 questions and got 90 marks. How many answers were correct?

RRB NTPC CBT I 10 Jan 2021 Shift 2 Paper

Question : 55 of 100

Marks: +1, -0

In a competitive examination 1 mark is awarded for a correct answer, 0 marks for an unattempt question and

\;{1}/{2}

mark is deducted for every wrong answer. Ambika answered 120 questions and got 90 marks. How many answers were correct?

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