To find the percentage of incorrect answers, divide the number of wrong answers by the total number of questions and then multiply by 100. So, ( \frac{13}{40} \times 100 = 32.5% ). Therefore, 32.5% of the answers are wrong.
40-26=14 questions answered correctly. 14/40=.35 Therefore the percentage of the test would be 35%
68% D+
10/40 wrong means 30/40 correct 30/40 = 75% correct
To score 1 wrong on a 40-question test, you need to answer 39 questions correctly. This means you would have to know the material well and only make one mistake, whether due to a misreading of a question, a momentary lapse in knowledge, or second-guessing an answer. Your score would then be calculated as 39 out of 40, resulting in a high percentage.
60% right, 40% wrong.
87.5%.
If by grade you mean percentage, you would have scored 67.5%. 40-13= 27 (27/40) * 100
40-26=14 questions answered correctly. 14/40=.35 Therefore the percentage of the test would be 35%
60% right 40% wrong
32.5%
Just divide 13/40, then multiply the result by 100.
68% D+
It is an error rate of 10%.
10/40 wrong means 30/40 correct 30/40 = 75% correct
To score 1 wrong on a 40-question test, you need to answer 39 questions correctly. This means you would have to know the material well and only make one mistake, whether due to a misreading of a question, a momentary lapse in knowledge, or second-guessing an answer. Your score would then be calculated as 39 out of 40, resulting in a high percentage.
13 and 1/3%
40 percent wrong questions. To calculate the percentage 6 divided by 15 and multiplied by 100.