SSC GD Constable previous year question
A cyclist rides for 2 hours at a speed of 15 km/hr and then rides for 3 hours at a speed of 20 km/hr. What is the cyclist's average speed (km/hr) during the entire journey?
Asked in SSC GD Constable 2025: 10 Feb 2025 Shift 3 (Evening) · Quantitative Aptitude
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Correct answer: (D) 18
Total distance = (15×2)+(20×3) = 30+60=90 km; total time=5 hrs; average speed = 90/5 = 18 km/hr.
हिंदी में प्रश्न
एक साइकिल चालक 2 घंटे, 15 km/hr की चाल से साइकिल चलाता है और फिर 3 घंटे, 20 km/hr की चाल से साइकिल चलाता है। पूरी यात्रा के दौरान साइकिल चालक की औसत चाल (km/hr में) कितनी है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 18
कुल दूरी = (15×2)+(20×3) = 30+60=90 km; कुल समय=5 घंटे; औसत चाल = 90/5 = 18 km/hr।
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