SSC GD Constable previous year question
Two trains, travelling in opposite directions, cross each other in 25 seconds. If each train is 250 m long and one of them travels at 45 km/hr, what is the speed of the other train?
Asked in SSC GD Constable 2025: 07 Feb 2025 Shift 3 (Evening) · Quantitative Aptitude
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Correct answer: (D) 27 km/hr
Total distance = 500 m. Relative speed = 500/25 = 20 m/s = 72 km/hr. Other train's speed = 72−45 = 27 km/hr.
हिंदी में प्रश्न
विपरीत दिशाओं में यात्रा कर रही दो रेलगाड़ियाँ एक-दूसरे को 25 सेकंड में पार करती हैं। यदि दोनों रेलगाड़ियों में से प्रत्येक की लंबाई 250 m है और उनमें से एक की चाल 45 km/hr है, तो दूसरी रेलगाड़ी की चाल कितनी होगी?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 27 km/hr
कुल दूरी = 500 m। सापेक्ष चाल = 500/25 = 20 m/s = 72 km/hr। दूसरी रेलगाड़ी की चाल = 72−45 = 27 km/hr।
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