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What is the sped of train ? I. Trin crosses a signal post in 15 seconds. II. Train crosses a 150 metre long platform in 27 seconds. III. Train crosses another train running in the same direction on a parallel track in 32 seconds.A. I and IIB. I and IIIC. II and IIID. Any two of the three |
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Answer» Correct Answer - A From statements I and II, We can say that train crosses 250 m in (27-15) seconds `therefore"speed"=(250)/(12)` `=20.83m//s.` |
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