Q: A train covers 400 km at a uniform speed. If the speed had been 10 km/h more, it would have taken 2 h less for the same journey. find the speed of the train
A.
45 km/h
B.
40 km/h
C.
55 km/h
D.
50 km/h
Correct Answer:
Option B -
Explanations:
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