RRB Group D previous year question
A person covers half the distance of a journey at 60 km/h and the other half at 30 km/h. What is the average speed for the entire journey?
Asked in RRB Group D CBT-1: 08 Jan 2026 Shift 1 · Quantitative Aptitude
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Correct answer: (D) 40 km/h
Average speed for equal distances = 2×60×30/(60+30) = 3600/90 = 40 km/h.
हिंदी में प्रश्न
एक व्यक्ति अपनी यात्रा की आधी दूरी को 60 km/h की चाल से और आधी दूरी को 30 km/h की चाल से तय करता है। पूरी यात्रा के दौरान उसकी औसत चाल कितनी है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 40 km/h
सही उत्तर: विकल्प D (40 km/h)
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