Your question is so general that it's difficult to address. Passing scores in exams? These vary from country to country and from subject to subject. Why should 70% be the pass level in an exam? Probably because the exam is for something important enough for people's lives to depend on the quality of the examined. I'm a retired Air Traffic Controller and when I was studying to be promoted the pass level was 70%. However anyone who got less than 80% would be considered very weak at his subject. Most of my mates at the time were looking at low to mid 90s in any exam.
Most of my pilot friends expected much the same in written exams. Would you like to be in an aircraft piloted by a guy who never scored above 70% in an exam. And if you knew the Controller on the ground had similar scores?
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The score is 70 percent. The grade is whatever the teacher decidesto award to a 70% score. I hope it wasn't a math test.
30/100*25 =7.5 so you must not get more than 7 questions wrong to score 70%
It means that the average score of all the students in a class is 70. Ex: Assuming 3 students got the below scores in their English exam for a total score of 100. Student 1 = 60 Student 2 = 70 Student 3 = 80 Total score of 3 students = 60 + 70 + 80 = 210 Average score of 3 students = 210 / 3 = 70
In order to score exactly 70% on a test with exactly 70 questions ... if every questionis worth the same credit ... you have to get 21answers wrong. You can do it.
53 percent