27
To achieve a score of 90 on a 30-question test, you need to answer at least 27 questions correctly, as 90% of 30 is 27. This means you can miss up to 3 questions. Therefore, you can miss a maximum of 3 questions to still score 90.
Correct me if I'm wrong but I believe the answer to the question goes like the following: 27 floors (37 offices) = 999 offices in the building
65
Exactly as in the question: 27
Exactly as in the question 27
If you answered 27 correctly and 18 incorrectly, you would have answered 60% correctly.
You can miss out 5 but then need to get all the rest correct. Also, this only works in the scoring system does not penalise wrong answers.
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.
To achieve a score of 90 on a 30-question test, you need to answer at least 27 questions correctly, as 90% of 30 is 27. This means you can miss up to 3 questions. Therefore, you can miss a maximum of 3 questions to still score 90.
Correct me if I'm wrong but I believe the answer to the question goes like the following: 27 floors (37 offices) = 999 offices in the building
Provided that all the ones that you do not miss are correct, then 30% of 90 = 90*30/100 = 27.
27
% of wrong questions= 9/27 * 100%= 0.3333 * 100%= 33.33%
As of his most recent Test, in July 2010, Shahid Afridi has taken 48 wickets in 27 Test matches.
The question seems wrong. Do you mean a real cube with the side length of 3 feet? The volume is 3 feet times 3 feet times 3 feet = 27 cubic feet.
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