A train does a journey without stopping for 8 hours. If it had traveled 5 km an hour faster, it would have done the journey in 6 hours 40 min. What is its slower speed?
Correct answer: B
Explanation
Let its slower speed = V km per hour
Here, the distance is same in both the cases
Using the formula = V1 x t1 = V2 x t2
or, V x 8 = (V + 5) x 20/3
or, 24V = (V + 5) x 20
V= 25 km/h
Thus, The slower speed of train is 25 km/h.
B
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