To travel 720 km, a Express train takes 6 hours more than Duronto. If – McqOptions

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1.	To travel 720 km, a Express train takes 6 hours more than Duronto. If however, the speed of the Express train is doubled, it takes 2 hours less thanÂ Duronto. The speed of Duronto (in km/hr) is?
A.	60
B.	72
C.	66
D.	78
Answer» C. 66

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