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Q: You got 78 on a test of 40 how many did you get wrong?
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You got 90 on a test that has exactly 40 questions how many questions did you get wrong?

A test score of "90" represents the percentage of correct questions. Multiply this percentage by the total number of questions and you will have the number of questions correctly answered. Subtract this from the total to find answers wrong. 90% of 40 questions = .90 x 40 = 36 questions right. 40-36 = 4 answers wrong.


How many questions be wrong on a 40 question test to get a 75 percent?

10 can be wrong and 30 right; 30/40 = 75%


Robin got 26 out of 40 test questions correct. What percent of robin's answers were wrong answers?

35%


How many questions can be wrong on a 40 question test to get 60 percent?

You need to get 40*60/100 = 24 correct, so you can get 40-24 = 16 wrong.


How many questions be wrong on a 40 question test to get 70 percent?

The question is, "What is 30% of 40?"is/of=%/100P/40=30/100100P=1200P=12You can miss 12 and get a 70% of the test.


There were 40 questions on an exam i got 28 how much did i get wrong?

40 minus 28 = 12 were wrong


What is the percent if 6 questions were wrong out of 15 questions on a test?

40% were wrong.


If you do test and get only three-fifths of the questions right how many do you get wrong?

You get 2/5 (40%) incorrect.


How many questions was on a test if you scored 85 percent and got 34 correct?

40 questions


What is the grade if you got 9 wrong out of 40?

You would have a 31 out of 40, or 77.5%


What is the grade if you got 27 wrong out of 40?

65


What percentage of questions were answered correctly if you got 10 wrong and there are 40 questions?

10/40 wrong means 30/40 correct 30/40 = 75% correct