in an examination, 80%of the students passed in English, 85%in mathematics and 75% in both English and mathematics. if 40% students failed in both the subject, find the total number of student.
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if the percentage of passed students is 75% then the percentage of fail student should be 35%.but in your question it is 40%.
sorry but I didn't get it
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180 student because 40+80+85+75=180
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