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- A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds.
Question 1:
A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train? A. 230 m
Feedback Relative speed = (120 + 80) km/hr = (200 x5/18) m/sec = 500/9m/sec.
Let the length of the other train be x metres
then,x + 270/9=500/9
x + 270 = 500
x = 230.
Let the length of the other train be x metres
then,x + 270/9=500/9
x + 270 = 500
x = 230.
B. 240 m
C. 260 m
D. 320 m
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