A train covers a distance of 10 km in 12 min. if its speed is decreased by 10 kmph, then the 碯me taken by the train to cover the same distance will be:
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Speed of train = 10 / (12/60) = 600/12 = 50 kmph
Speed of train after reducing speed = 50-10 = 40 kmph
Time taken = 10/40 = 1/4 hr = 1/4 × 60 = 15 min
Speed of train after reducing speed = 50-10 = 40 kmph
Time taken = 10/40 = 1/4 hr = 1/4 × 60 = 15 min
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