SSC GD Constable previous year question
Rachin covers a distance for 2 hours at a speed of 60 km/hr and an 80 km distance at a speed of 40 km/hr. Find Rachin's average speed (in km/hr).
Asked in SSC GD Constable 2025: 04 Feb 2025 Shift 2 (Afternoon) · Quantitative Aptitude
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Correct answer: (A) 50
Distance 1 = 60×2 = 120 km (2 h); Distance 2 = 80 km, time = 80/40 = 2 h. Total distance = 200 km, total time = 4 h. Average speed = 200/4 = 50 km/hr.
हिंदी में प्रश्न
रचिन एक दूरी 2 घंटे तक 60 km/hr की चाल से और 80 km की दूरी 40 km/hr की चाल से तय करता है। रचिन की औसत चाल (km/hr में) ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 50
दूरी 1 = 60×2 = 120 km (2 घंटे); दूरी 2 = 80 km, समय = 80/40 = 2 घंटे। कुल दूरी = 200 km, कुल समय = 4 घंटे। औसत चाल = 200/4 = 50 km/hr।
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