The ratio between the speeds of two trains is 2 : 5. If the first train runs 250 km in 5 h, then the sum of the speeds (in km/h) of both the trains is:
As given in Question,
First train covers 250 km in 5 h then speed of first train = $$\frac{250}{5}$$ = 50 km/h
Ratio of speeds of First train to second train = 2 : 5, So
Speed of second train = $$\frac{50}{2} \times 5$$ = 125 km/h
Sum of speeds of Both trains = 50 + 125 = 175 km/h
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