A school has a total of 90 students. There are 30 students taking Physics, 25 taking English, and 13 taking both. Approximately what percentage of the students is taking either Physics or English?

ক 32 %
খ 36 %
গ 47 %
ঘ 51 %

সঠিক উত্তর: 47 %

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% approx
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