To travel 432 km, an Express train takes 1 hour more than Duronto. If however, the speed of the Express train is increased by 50%, it takes 2 hours less than Duronto. What is the speed (in km/hr) of Duronto train?
A) 60 B) 54 C) 48 D) 72
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60 of this 3 the best thing is the only reason whyyou to see what they
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