The ratio between the speeds of two trains is 7:8. If the second train runs 400 kms in 4 hours, then the speed of the first train is

The ratio between the speeds of two trains is 7:8. If the second tr

1.	The ratio between the speeds of two trains is 7:8. If the second train runs 400 kms in 4 hours, then the speed of the first train is
A.	70 km/hr
B.	75 km/hr
C.	84 km/hr
D.	87.5 km/hr
Answer» B. 75 km/hr

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The ratio between the speeds of two trains is 7:8. If the second train runs 400 kms in 4 hours, then the speed of the first train is

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