Question : Two stations R and S are 400 km apart from each other. A train leaves from R to S and simultaneously another train leaves from S to R. Both trains meet after 10 hours. If the speed of the first train is 4 km/hr more than the second train, then what is the speed of the slower train?
Option 1: 18 km/hr
Option 2: 26 km/hr
Option 3: 16 km/hr
Option 4: 22 km/hr
Correct Answer: 18 km/hr
Solution :
Let the speed of the slower train be
Distance = Speed
For the first train (the faster one), the distance is (
For the second train (slower one), the distance is
⇒ 10(
⇒ 10
⇒ 20
⇒
Hence, the correct answer is 18 km/hr.
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