In a multiple choice test number of alternatives (N) is 4. What would be the score of candidate who has done 40 items correctly and 9 items wrongly...? Mcqs

In a multiple choice test number of alternatives (N) is 4. What would be the score of candidate who has done 40 items correctly and 9 items wrongly...?

(A) 43

(B) 31

(C) 37

(D) 49