Question
Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is:
Answer: Option A
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Let the length of each train be x metres.
Then, distance covered = 2x metres.
Relative speed = (46 - 36) km/hr
= \(\left(10\times\frac{5}{18}\right)m/sec\)
=\(\left(\frac{25}{9}\right)m/sec\)
\(\therefore \frac{2x}{36}= \frac{25}{9}\)
2x = 100
x = 50.
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