in a test (+4) marks are given for every correct answer and (-2)marks for every wrong answer.Rot answered all the questions and scored 68 marks .25 of Rot's answer were correct .How many of the questions he attempted were incorrect?
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42 is the answer hope you like
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timewarper:
you better read the question properly, it's asking the no. of incorrect questions..... Mr Expert
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the solution is.... 16 questions
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