A train 120 m in length passes a pole in 12sec and another train of length 100 m travelling in opposite direction in 10 sec. find the speed of the second train in km per hour.
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120*1000/12*3600
150/54=75/27km/hour
100*1000/10*3600
25/9
150/54=75/27km/hour
100*1000/10*3600
25/9
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0
Answer:
Answer is
25/9
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