RRB NTPC CBT-1 previous year question
A car travels from Gwalior to Jhansi at 60 km/hr and returns at 80 km/hr. If the total travel time is 3.5 hours, what is the one-way distance?
Asked in RRB NTPC 2026 — 14 June Shift 3 · Quantitative Aptitude
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Correct answer: (B) 120 km
If the one-way distance is d, total time = d/60+d/80 = 3.5. Solving, d*(4+3)/240=3.5, so 7d=840, giving d=120 km.
हिंदी में प्रश्न
एक कार ग्वालियर से झांसी तक 60 knvVhr की चाल से जाती है और 80 km/hr की चाल से वापस आती है। यदि कुल यात्रा समय 3.5 घंटे है, तो एक तरफ को दूरी कितनी है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 112 km
यदि एकतरफा दूरी d है, तो कुल समय = d/60+d/80 = 3.5। हल करने पर, d*(4+3)/240=3.5, अतः 7d=840, जिससे d=120 किमी प्राप्त होता है।
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