In an exam of Science and History, 32% and 35% students failed in Science and History respectively. If 9% of students failed both in Science and History, the percentage of students who passed in both the exams is 33 %.
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an examination, 30% and 35% students respectively failed in History and Geography while 27% students failed in both the subjects. If the number of students passing the examination is 248, find the total number of students who appeared in the examination. 380 b. 400 c. 425 d. 725
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