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In order to score 70 or below on a 50-question test, you must answer at least 15 of them wrong.
No more than 15.But why miss any ?
You can miss 15 but then must get every one correct.
It depends on how many points each question is worth. If they are worth 1 point, 30, 2 points, 15, etc...
60% D
-12
93%
12/15 80%
In order to score 70 or below on a 50-question test, you must answer at least 15 of them wrong.
You would have gotten 73% of the questions correct, which in most places would get you a C.
70% of 15 is 10.5 so it is 4.5 questions
No more than 15.But why miss any ?
2 * (50 - x) = 70 50 - x = 35 x = 15 You can miss 15 questions.
The " 70% " score represents the fraction of the questions that you answered correctly.If you answered 70% correctly, you missed the remaining 30% .30% of 50 = 0.3 x 50 = 15 .
You can miss 15 but then must get every one correct.
73 questions on the test, all worth the same credit. Score 79% means you got -- 58 correct (79.452%) -- 15 wrong (20.548%)
If you're awarded 1 mark per question, and you got 77%, you missed roughly 25% of the questions, which is 15