In an exam having 50 questions, 4 marks are awarded for a correct answer and 1 mark is deducted for every incorrect answer. If Sam scored 75 marks and his number of correct and incorrect answers is the same, how many questions did he attempt?

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Solution

The correct option is D 50

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Q. In an examination, a student scores

4

marks for every correct answer and loses

1

mark for every wrong answer. If he attempts all

75

questions and scores

125

marks, how many questions did he answer correctly?

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