In an examination, 40% of the students failed in Mathematics, 30% failed in English, and 10% failed in both subjects. If 144 students passed in both subjects, what is the total number of students who appeared for the examination?
Explanation:
Total failed percentage = Failed in Math + Failed in English - Failed in Both = 40% + 30% - 10% = 60%. Total passed = 100% - 60% = 40%. 40% of total students = 144. Total students = (144 * 100) / 40 = 360.
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