A train covers a distance in 50 min, if it runs at a speed of 48kmph on an average. The speed at which the train must run to reduce the time of journey to 40min will be
A. 45 min
B. 60 min
C. 55 min
D. 70 min
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Answered by
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Answer:
Check attachment for calculation. Answer is 60 kmph.
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