- A-3
- B3
- C-9
- D-27
Step-by-Step Solution
Total change from wrong answers = -27 over 9 questions. (-27) ÷ 9 = -3 per wrong answer.
Answer: A) -3
In a quiz, +4 marks are given for a correct answer and a wrong answer changes the score by some fixed negative amount.
Meena answered 9 questions wrong and her score changed by -27 because of those wrong answers alone.
What is the mark change for one wrong answer?
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