72% of the students of a certain class took Biology and 44% took Mathe – McqOptions

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1.	72% of the students of a certain class took Biology and 44% took Mathematics. If each student took at least one of Biology or Mathematics and 40 students took both of these subjects, the total number of students in the class is:
A.	200
B.	240
C.	250
D.	320
Answer» D. 320

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