87% of 46 = 0.87 * 46 = 40.02.
Assuming you can only score whole marks then you will need to score 41 out of 46 to be certain (although 40 out of 46 would also be rounded up to 87 as the nearest whole percentage, which might be done.)
Nine.
45.4545.. % wrong.
Provided that all 150 exam questions are weighted equally, then 105 correct responses is 70%.
You can get 18 wrong.
it depends on how many question if its 250 if u miss have u can get a 50 and if ur get 75 percent wrong its a another 25 percent of
You could fail seven questions, and still meet the minimum mark required.
You can get 60 questions wrong and get a 70 percent but if you get 61 wrong you are at a 69.5 percent.
Each question is worth 2.5 percent. You can get 8 wrong.
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%
10 can be wrong and 30 right; 30/40 = 75%
You can get 5 out of 50 questions wrong to get 90%.
You can get 20 questions wrong.
40% were wrong.