.30 x 170 = 51 wrong
To achieve a score of 70% on a 200-question test, you would need to answer 140 questions correctly. This means you can afford to miss 60 questions and still achieve a 70% score.
Assuming the questions are all weighted the same, you can miss 5 and score 90%.
You can miss 10% of questions, or 12 questions
If you score 1 per question, then you can miss out -40. If you score 10 per question, then you can miss out 104. If you score 100 per question, then you can miss out 118.
In order to score 80% on a test with 30 questions, you must give 6 wrong answers. You can do it!
Your score is 73.33%
To achieve an 80 percent score on a 27-question test, you would need to answer 80% of the questions correctly. This means you can get 20% of the questions wrong. To calculate the number of questions you can miss, multiply 27 by 0.20 (20%) to get 5.4. Since you can't have a fraction of a question, you would need to round down to 5 questions. Therefore, you can miss 5 questions out of 27 to achieve an 80 percent score.
If you miss five questions out of 30, your score is a 83.33%
To achieve a score of 70% on a 200-question test, you would need to answer 140 questions correctly. This means you can afford to miss 60 questions and still achieve a 70% score.
If you miss 28 questions out of 70, your score would be 60%
Assuming the questions are all weighted the same, you can miss 5 and score 90%.
You can miss 10% of questions, or 12 questions
If you score 1 per question, then you can miss out -40. If you score 10 per question, then you can miss out 104. If you score 100 per question, then you can miss out 118.
In order to score 80% on a test with 30 questions, you must give 6 wrong answers. You can do it!
To achieve 75 percent on a test with 125 questions, you need to answer at least 94 questions correctly (since 75% of 125 is 93.75, which rounds up to 94). Therefore, you can miss out on a maximum of 31 questions (125 - 94 = 31) to still reach that passing score.
Assuming that all questions score equally, you can miss out at most 7. And then need to get them all correct.
To achieve a score of 90% on a 56-question test, you would need to answer 90% of the questions correctly, which is 50.4 questions. Since you cannot answer a fraction of a question, you would need to answer at least 51 questions correctly. Therefore, you can afford to miss 56 - 51 = 5 questions and still achieve a 90% score on the test.