The ratio between the speeds of two trains is 7 : 8. If the second train runs 40

Question

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

Options:

A . 70 km/hr

B . 75 km/hr

C . 84 km/hr

D . 87.5 km/hr

Answer: Option D

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