90% because you have to divide the number of correct answers by the total number of questions. Once you do that, you get 45/50 which equals 0.9 or 0.90 which is 90%
If a student answered 5 questions wrong out of 50 questions then the percentage of correct answers is 90%.
Percentage is a number or ratio that is expressed in the form of 100. It is expressed as %. It shows quantity of small good comparison to other good.
Total questions that student answered=50
Number of questions whose answers are wrong=5
Number of questions which are correct=50-5
=45
Percentage of questions answered correctly=number of questions answered correctly/ total questions*100
=45/50*100
=9*10
=90%
Hence if total number of questions is 50 and number of wrong answers is 5 the percentage of questions answered correctly is 90%.
Learn more about percentage at https://brainly.com/question/24304697
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