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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.
Reshma gets five correct answers and five incorrect answers, what is her score?
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Solution
Marks given for 1 correct answer = 5
Marks given for 5 correct answers = 5 × 5 = 25
Marks given for 1 wrong answer = −2
Marks given for 5 wrong answers = −2 × 5 = −10
Score obtained by Reshma = 25 − 10 = 15
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