Question

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, the number of questions he attempted correctly is

• A. 35
• B. 40
• C. 42
• D. 46

Answer 1

Answer: (B)

40

If the number of correct answer is $(75-x)$
$\therefore 4x-(75-x)=125orx=40$