A train travels 2 1/2 hrs at 90 kmph to travel the same distance in 2 hours, how much speed required for the train?
A train travels 2 1/2 hrs at 90 kmph to travel the same distance in 2 hours, how much speed required for the train?
A) 112 1/2 km/hrs
B) 110 km/hrs
C) 141 1/2 km/hrs
D) None
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