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A fast train takes 2 h less for a journe...

A fast train takes 2 h less for a journey of 300 km in comparison to a slow train whose speed is 5 km/h less than that of the fast train. The speed of the fast train is equal to

A

30 km/h

B

25 km/h

C

40 km/h

D

45 km/h

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The correct Answer is:
A
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