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Question
In a class test containing 10 questions, 5 marks are awarded for every correct answer and (− 2) marks are awarded for every incorrect answer and 0 for questions not attempted.
Heena gets two correct and five incorrect answers out of seven questions she attempts. What is her score?
Solution
Marks given for 2 correct answers = 5 × 2 = 10
Marks given for 5 wrong answers = −2 × 5 = −10
Score obtained by Heena = 10 − 10 = 0
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