Wiki User
∙ 9y agoThe answer depends on whether or not there are penalties (negative marks) for wrong answers. If not, then the answer is 30.
Wiki User
∙ 9y agoEach question is worth 2.5 percent. You can get 8 wrong.
You can get 60 questions wrong and get a 70 percent but if you get 61 wrong you are at a 69.5 percent.
You can get 63 questions wrong and get 70%.
69 questions
20
Each question is worth 2.5 percent. You can get 8 wrong.
You can get 60 questions wrong and get a 70 percent but if you get 61 wrong you are at a 69.5 percent.
You can get 63 questions wrong and get 70%.
69 questions
Nine.
20
22 questions can be wrong. This means that you would have to get 33 marks, which is 60%
You can get 20 questions wrong.
10 can be wrong and 30 right; 30/40 = 75%
30
14 of them.
5