The distance between two stations is 550 km. Two trains start at the same time from the two station on parallel tracks to cross one another. The speed of one train is 10km/h more than the other. If after 3 hours, the trains are 40 km apart, find their respective speed.
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Answer:
Speed of slower train = 25 kmph
Speed of faster train = 30 kmph
Step-by-step explanation:
Let us consider ,, speed of slower train = X kmph
Speed of faster train = (X + 5) kmph
Distance between the trains = 165 km
Time = 3 hrs
Since both trains travel towards each other (opposite directions),
Relative speed = X + X+5 = 2X + 5
D/S = T
165/(2X + 5) = 3
165 = 6X + 15
6X = 150
X=25 kmph
Speed of slower train = 25 kmph
Speed of faster train = 30 kmph
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