To travel 612 km, an Express train takes 9 hours more than Rajdhani. I – McqOptions

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1.	To travel 612 km, an Express train takes 9 hours more than Rajdhani. If the speed of the Express train is doubled, it takes 3 hours less than Rajdhani. TheÂ speed (in km/hr) of Rajdhani is
A.	40.8
B.	51
C.	30.6
D.	61.2
Answer» B. 51

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