In a competitive exam consisting of 100 questions, each correct answer gets 2 marks each wrong answer gets 1 mark. if a student has written 70 correct answer and 30 wrong answer what is his or her score
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as according your queation correct answer consists 2 marks and wrong answer consists I marks then, 70 correct answer and,
30 wrong answer so,
70×2= 140
30×1=30
total 140+30= 170
out of 200
30 wrong answer so,
70×2= 140
30×1=30
total 140+30= 170
out of 200
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