3) A test consisting of 10 questions was conducted. Every correct answer was awarded 2 marks and every
incorrect answer was given (-2) marks. Eva attempted all questions but got 7 answers correct. What was
her score.
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Answer:
eva's got = 7× 2= 14
her incorrect answers = 10-7= 3 and 3×2 = 6
so, her final score will be = 14-6 = 8.
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