Question

in a competitive examination , + 4 marks are give for every correct answer , -2 marks are given for every incorret answer and 0 marks for not attempting the question. ruchi got 20 marks . if she had got 12 correct answers how many questions has she attempted incorrectly

Answer 1

Answer:

in a competitive examination , + 4 marks are give for every correct answer , -2 marks are given for every incorret answer and 0 marks for not attempting the question. ruchi got 20 marks . if she had got 12 correct answers how many questions has she attempted incorrectly

Step-by-step explanation:

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