SSC GD Constable previous year question
Two trains are moving in opposite directions at speeds of 110 km/h and 140 km/h. The length of one train is 140 m. The time taken by them to cross each other is 5 seconds. The length (in m) of the other train, correct to 2 decimal places, is:
Asked in SSC GD Constable 2025: 11 Feb 2025 Shift 1 · Quantitative Aptitude
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Correct answer: (D) 207.22
Relative speed = 250 km/h = 69.44 m/s; total length = 69.44×5 = 347.22 m; other train's length = 347.22 − 140 = 207.22 m.
हिंदी में प्रश्न
दो ट्रेनें विपरीत दिशाओं में क्रमशः 110 km/h और 140 km/h की गति से चल रही हैं। एक ट्रेन की लंबाई 140 m है। उन्हें एक-दूसरे को पार करने में 5 सेकंड लगते हैं। दूसरी ट्रेन की लंबाई (m में, 2 दशमलव स्थान तक) है:
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 207.22
सापेक्ष गति = 250 km/h = 69.44 m/s; कुल लंबाई = 69.44×5 = 347.22 m; दूसरी ट्रेन की लंबाई = 347.22 − 140 = 207.22 m।
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