IBPS RRB Office Assistant (Multipurpose) Prelims practice question
A train 220 m long running at 63 km/hr crosses a man walking in the same direction at 4 km/hr. Find the time taken to cross him.
From a IBPS RRB Office Assistant (Multipurpose) Prelims Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (D) 13.4 sec
Relative speed = (63-4) km/hr = 59x5/18 = 16.39 m/s. Time = 220/16.39 = 13.4 sec.
हिंदी में प्रश्न
220 मीटर लंबी एक ट्रेन 63 किमी/घंटा की चाल से चलते हुए, उसी दिशा में 4 किमी/घंटा की चाल से चल रहे एक व्यक्ति को पार करती है। उसे पार करने में लगा समय ज्ञात करें।
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सही उत्तर: (D) 13.4 sec
Relative speed = (63-4) km/hr = 59x5/18 = 16.39 m/s. Time = 220/16.39 = 13.4 sec.
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