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
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B
240 m
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C
260 m
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D
320 m
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E
None of there
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Solution
The correct option is A 230 m Relative speed =(120+80)km/hr=200km/hr=200×518m/sec=100×59m/sec=5009m/sec