Arithmetic Aptitudes › Problems on Trains › Question #2526
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QA 270 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 sec. What is the length of the other train?

ID: #2526 Problems on Trains 1,482 views
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#2526Q ID
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Problems on TrainsTopic
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  • A 230 m ✔ ✖
  • B 240 m ✔ ✖
  • C 260 m ✔ ✖
  • D 320 m ✔ ✖
Correct Answer: Option A

Explanation

Relative speed = 120 + 80 = 200 km/hr.

= 200 * 5/18 = 500/9 m/sec.
Let the length of the other train be x m.
Then, (x + 270)/9 = 500/9 => x = 230.
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