Grade 12th pass9 grade maths
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 secures 125 marks, what is the number of questions he attempted correctly?
(a). 35
(b). 40
(c). 42
(d). 46
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 secures 125 marks, what is the number of questions he attempted correctly?
(a). 35
(b). 40
(c). 42
(d). 46
