SSC CHSL 2025 · PYQ · Set Theory / Percentage · medium
A school conducted a scholarship test where 60% of the students passed in English, 70% passed in Math, and 45% passed in both. What is the percentage of students who passed in at least one subject?
A.80%
B.75%
C.85%✓ Correct
D.90%
Explanation
Using the union formula: P(E∪M) = P(E) + P(M) - P(E∩M) = 60 + 70 - 45 = 85%.
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