Question

please help fast urgent

Answer 1

answer is 50+60-40=70

as people who passed in both subjects were considered in individual subject that is why we ar subtracting 40 from 50+60

Answer 2

Answer:

student only pass in english50-40=10

student only pass in mathematics60-40=20

so total student pass in both40

total student is40+20+10=70

answer .so total no of student is 70

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