In a quiz programme each correct answer was awarded 5 marks and -2 marks were awarded for every correct answer. Mohan, Ram and Vinay participated in the programme and each were asked 10 questions.
If a student’s score is -13, how many correct and wrong answers did
the students give?
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Answer:
Correct ans - 1
Wrong ans - 9
Step-by-step explanation:
Correct - y , Score - 5y
Incorrect - (10-y) , score = -2(10-y)
So, 5y - 2(10-y) = -13
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