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प्रश्न
A train travels 500 m in first minute. ln the next 4 minutes, it travels in each minute 125 m more than that in the previous minute. The average speed per hour of the train during those 5 minutes will be
विकल्प
30 km/hr
45 km/hr
50 km/hr
55 km/hr
MCQ
उत्तर
45 km/hr
Explanation:
A.S. = `(500 + 625 + 750 + 875 + 1000)/5`
A.S. = `3750/5 xx 3/50` = 45 kmph
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Time, Speed and Distance (Entrance Exam)
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