UGC NET Paper 1 GA 5 Jan 2022 Shift 1 Paper

Total tests in Hospital A to D = 100 + 50 + 100 + 50 = 300Total negative cases in Hospital A = 100 - (30 + 35 + 15 + 10) = 10Total negative cases in Hospital B = 50 - (15 + 10 + 5 + 5) = 15Total negative cases in Hospital C = 100 - (35 + 30 + 15 + 5) = 15Total negative cases in Hospital D = 50 - (10 + 10 + 5 + 15) = 10∴ Total Negative cased in Hospital A to D = 50Percentage negative cases = (Total negative cases/Total Test) × 100⇒ (50/300) × 100 ≈ 16.67%