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In an examination, a student scores 4 marks for every
correct answer and loses one mark for every wrong answer. If
he attempts all the 75 questions and scores 125 marks, the
number of questions he attempts correctly is
(1) 35
(2) 38
(3) 41
(4) 40
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Answer Posted / narsingh rao
let x be the number of wrong answers then (75-x)4-1*x=125
therefore x=35 and right answers =40 answer (4)
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