If a person is sitting in a exam having 30 questions (objective type) the examiner use the formula to calculate the score is S=30+4c-w here c is number of correct answer and w is number of wrong answer , the examiner find the score is more than 80, tell how many questions are correct ? If the score is little less, But still more than 80 then u won’t be able to answer.

If a person is sitting in a exam having 30 questions (objective type)

1.	If a person is sitting in a exam having 30 questions (objective type) the examiner use the formula to calculate the score is S=30+4c-w here c is number of correct answer and w is number of wrong answer , the examiner find the score is more than 80, tell how many questions are correct ? If the score is little less, But still more than 80 then u won’t be able to answer.
A.	12
B.	20
C.	15
D.	16
Answer» E.