Directions: In a multiple choice test of 50 questions each correct answer gives you 1 mark, each incorrect answer reduces the score by one-fourth of a mark. Any unattempted question do not get you any mark. Which of the following is correct to obtain a score of 40?

• A. Attempt 50 correct 45   
• B. Attempt 45 correct 40
• C. Attempt 45 correct 41             
• D. Attempt 46 correct 42