Question

In
In a competitive examination, (+4) marks
are given for every correct answer, (-2
marks are given for every incorrect answer
and 0 marks for not attempting the question.
a) Ruchi scored 20 marks. If she has got
12 correct answers, how many questions
has she attempted incorrectly?
(b)rohit scored (-6) marks in test though he has got 7 correct answers. how many questions has he attempted incorrectly?
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Answer 1

Step-by-step explanation:

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