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Question 54
train travelling at the speed of 66 km/h crosses a 300 m long platform in 24 seconds. How long was the train?
Solution
correct answer should be 140 m
let the length of the train be x, then total distance travelled by train to cross the platform= 300+x
also, speed of train= 66 kmph=$$\frac{55}{3}$$ mps
speed=Â let the length of the train be x, then total distance travelled by train to cross the platform= 300+x
also, speed of train= 66 kmph= $$\frac{55}{3}$$ mps
300+x=Â Â $$24\times \frac{55}{3}$$
300+x=440
so x=140m
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