you can't answer the question if you don't know how many total questions there are
To achieve a score of 70 percent on a 10-question test, you need to answer at least 7 questions correctly. This means you can miss a maximum of 3 questions. Therefore, missing 3 questions would still allow you to meet the 70 percent threshold.
14.
To achieve a score of 75 percent on a 15-question test, you can get a maximum of 3 questions wrong. This is because getting 75 percent means answering 75 percent of the questions correctly, which equates to answering 11.25 questions correctly. Since you can't answer a fraction of a question, you need to answer at least 12 questions correctly, allowing for 3 incorrect answers.
39
you can't answer the question if you don't know how many total questions there are
To achieve a score of 70 percent on a 10-question test, you need to answer at least 7 questions correctly. This means you can miss a maximum of 3 questions. Therefore, missing 3 questions would still allow you to meet the 70 percent threshold.
14.
To achieve a score of 75 percent on a 15-question test, you can get a maximum of 3 questions wrong. This is because getting 75 percent means answering 75 percent of the questions correctly, which equates to answering 11.25 questions correctly. Since you can't answer a fraction of a question, you need to answer at least 12 questions correctly, allowing for 3 incorrect answers.
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.
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.
39
To achieve 80 percent on a 40-question test, you need to answer at least 32 questions correctly (80% of 40 is 32). This means you can only get 8 questions wrong (40 - 32 = 8). Therefore, to score 80 percent, you can afford to miss a maximum of 8 questions.
In order to score 80% on a test with 30 questions, you must give 6 wrong answers. You can do it!
To achieve an 87 percent score on a 125-question test, you need to correctly answer 87 percent of the questions. This means you need to answer 109 questions correctly (0.87 x 125 = 108.75, rounded up). Therefore, you can get 16 questions wrong (125 - 109 = 16).
To achieve a 70 percent score on a 49-question test, you need to correctly answer at least 34.3 questions. Since you can't answer a fraction of a question, you need to round up to 35 correct answers. Therefore, you can get a maximum of 14 questions wrong (49 - 35 = 14).
To achieve a 75 percent score on an 80-question test, you need to answer at least 60 questions correctly (75% of 80 is 60). Therefore, you can get a maximum of 20 questions wrong (80 total questions minus 60 correct answers).