A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kph in 9 seconds. What is the length of the other train
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Relative speed = (120 + 80) km/hr
=200 x(5/18)m/sec
=500/9 m/sec.
Let the length of the other train be x metres.
Then,(x + 270)/9=500/9
x + 270 = 500
x = 500 - 270
x = 230.
=200 x(5/18)m/sec
=500/9 m/sec.
Let the length of the other train be x metres.
Then,(x + 270)/9=500/9
x + 270 = 500
x = 500 - 270
x = 230.
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