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In a competitive examination, 1 mark is ...

In a competitive examination, 1 mark is awarded for each correct answer while 1/2 mark is deducted for every wrong answer. Jayanti answered 120 questions and got 90 marks. How many questions did she answer correctly?

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To solve the problem, we will set up a system of equations based on the information given. ### Step 1: Define Variables Let: - \( x \) = number of correct answers - \( y \) = number of wrong answers ### Step 2: Set Up the Equations ...
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