In a test of 500 boys and 420 girls, 40% of the boys and 45% of the girls
passed. What is the percentage of students who failed?
Answers
Answer:
50% failed have a good day
The percentage of students who failed is 57.72%.
Given:
In a test of 500 boys and 420 girls, 40% of the boys and 45% of the girls
passed.
To find:
What is the percentage of students who failed?
Solution:
We have been giving total boys and girls and their pass percentage and we have to find their fail percentage
First we will find the boys who failed
Total boys = 500
Passed = 40% of 500
= 40/100 * 500
= 200
Failed boys = Total boys - passed boys
= 500 - 200
= 300
Now, we will find failed girls
Total girls = 420
Passed girls = 45% of 420
= 45/100 * 420
= 189
Failed girls= Total girls - passed girls= 420 - 189
= 231
Now, we have to find total students and total failed students
Total students = total girls + total boys
= 420 + 500
= 920
Total failed students = total failed boys + total failed girls
= 300 + 231
= 531
Failed students percentage = failed students/ total students * 100
= 531/920 * 100
= 57.72%
Hence, answer is 57.72%.
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