In a class 75% passed in English, 60% in Mathematics and 25% failed in both the subjects. What is the percentage who passed in both subjects?

In a class 75% passed in English, 60% in Mathematics and 25% failed in both the subjects. What is the percentage who passed in both subjects? Correct Answer 60%

Percentage of students passed in one or both subject = 100 - 25 = 75 n(EUM) = n(E) + n(M) - n(EꓵM) or, n(EꓵM) = n(E) + n(M) - n(EUM) = 75 + 60 - 75 = 60%
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