Problems on Trains - Arithmetic Aptitude Questions and Answers

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Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?

23 m

2 ${{2} \over 9}$ ^m

27 m

29 m

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Answer : Option C

Explanation :

Relative speed =(40-20) km/hr = $(20\times\frac{5}{18})m/sec =( \frac{50}{9}) m/sec$

Length of faster train = $(\frac{50}{9}\times5)m =(\frac{250}{9})m =27 (\frac{7}{9})m$

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