A school has a total enrollment of 9- students. There are 30 students taking Physics, 25 taking English, and 13 taking both. What percentage of the students are taking either Physics or English?
Created: 7 months ago | Updated: 1 month ago
Job Solution Shahjalal Islami Bank Ltd Shahjalal Islami Bank Ltd - Management Trainee Officer - 30.10.2011 গণিত
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Students taking physics = 30 (these 30 include those 13 that take both)
Students taking english = 25 (these 25 also include those 13)

So those that take either physics or english or both = 30 + 25 - 13 = 42.

Required percentage = 42/90 * 100 = 47% 

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