question_answer

Katherine studies in a senior secondary school. A math test was conducted as a part of monthly routine and she scores 50 marks, getting 4 marks for each correct answer and losing 2 marks for each wrong answer. Had she been awarded 5 marks for each correct answer and deducted 3 marks for each wrong answer, she would have scored 60 marks. The total number of questions in the test was.

A)  25

B)  5

C)  15

D)  20

E) (e) None of these