SSC GD Constable previous year question
The distance from Chandigarh to Amritsar is covered at a speed of 50 km/h in 4.5 hours. To save 30 minutes of travel time, what should be the increase in speed (in km/h)?
Asked in SSC GD Constable 2025: 07 Feb 2025 Shift 2 (Afternoon) · Quantitative Aptitude
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Correct answer: (B) 6.25
Distance = 50×4.5 = 225 km. New time = 4 hours. New speed = 225/4 = 56.25 km/h. Increase = 56.25 − 50 = 6.25 km/h.
हिंदी में प्रश्न
चंडीगढ़ से अमृतसर की दूरी 50 km/h की चाल से 4.5 घंटे में तय की जाती है। यात्रा के समय में 30 मिनट की बचत करने के लिए चाल में (km/h में) कितनी वृद्धि की जानी चाहिए?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 6.25
दूरी = 50×4.5 = 225 km। नया समय = 4 घंटे। नई चाल = 225/4 = 56.25 km/h। वृद्धि = 56.25 − 50 = 6.25 km/h।
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