If 15 out of 20 students passed in a test, then the percentage of students who have failed is .
اگر کسی امتحان میں 20 میں سے 15 طلبہ پاس ہوتے ہیں تو فیل ہونے والے طلبہ کا فیصد ہے۔
Answer: 25 %
Explanation
Given, 15 out of 20 students have passed the test.
So, (20−15)=5 students must have failed the test.
Percentage of students who have failed
=Number of students failedTotal number of students×100=520×100=25%
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