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If a 200 m long train crosses a platform of the same length as that of the train in 20 seconds, then the speed of the train is:
- A72 kmph
- B73 kmph
- C74 kmph
- D75 kmph
Correct answer: A
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0
CCommunity
72 kmph
72 kmph
72 kmph
0
CCommunity
Speed of train
= $\frac{{{\text{length of the train}} + {\text{length of platform}}}}{{{\text{Time}}}}$ = $\frac{{250 + 250}}{{25}}$
= 20 m/sec
= 72 km/h
= $\frac{{{\text{length of the train}} + {\text{length of platform}}}}{{{\text{Time}}}}$ = $\frac{{250 + 250}}{{25}}$
= 20 m/sec
= 72 km/h