In a class test 5 marks are given for every correct answer and-3 marks are given for every incorrect answer and no marks for not attempting any question.
I) Rakhika scored 14 marks. If she has got 4 correct answer how many questions has she the attempted incorrectly?
II) Mohini scored -5 marks in this test though she has got 2 correct answer. How many questions has she attempted?
III) Rakesh scores 23 marks by attempting 19 questions. How many questions has she attempted correctly and how many questions has she attempted incorrectly?
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Answer:
Marks for correct answer = 5
Answers correct = 4
Marks for correct answer = 5×4
=20
Marks scored =14
Marks for incorrect = 20-14
= 6
Answers incorrect = 6÷ -3
=2
ans: She answered 2 questions incorrect.
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