SSC GD Constable previous year question
An aeroplane travels distances 1320 km, 1760 km and 2095 km at the rate of 528 km/h, 352 km/h and 419 km/h, respectively. Find the average speed (in km/h) of the aeroplane.
Asked in SSC GD Constable 2025: 12 Feb 2025 Shift 3 · Quantitative Aptitude
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Correct answer: (D) 414
Total distance = 5175 km; total time = (1320/528)+(1760/352)+(2095/419) = 2.5+5+5 = 12.5 h; average speed = 5175/12.5 = 414 km/h.
हिंदी में प्रश्न
एक हवाई जहाज़ क्रमशः 528 किमी/घं, 352 किमी/घं और 419 किमी/घं की दर से 1320 किमी, 1760 किमी और 2095 किमी की दूरी तय करता है। हवाई जहाज़ की औसत चाल (किमी/घं में) ज्ञात करें।
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सही उत्तर: (D) 414
कुल दूरी = 5175 किमी; कुल समय = (1320/528)+(1760/352)+(2095/419) = 2.5+5+5 = 12.5 घं; औसत चाल = 5175/12.5 = 414 किमी/घं।
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