⚠️ Unofficial Original Practice: This practice paper is curated by educators to test key conceptual and analytical skills. It is not an official previous examination paper.Version 2026
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Defence Research and Development Organisation (DRDO): DRDO RAC Scientist 'B' Technical Foundations Drill
6 Questions • -0.25 negative marking
25:00
1Percentages & Fraction Equivalents
medium
In an entrance examination, 60% of students passed in Mathematics, 55% passed in English, and 30% passed in both subjects. If 300 students failed in both subjects, what was the total number of students who appeared for the examination?