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A 200 m train running at 60 km/h has to clear a 300 m platform. How many seconds does it need?

Competition practiceProblems on Trains

A12 s
B25 s
C30 s
D18 s

Step-by-Step Solution

60 km/h

= \frac{50}{3}

m/s. Distance

= 200 + 300 = 500

m. Time

= 500 \div \frac{50}{3} = 30

s. (18 s uses only the platform.)

Answer: C) 30 s

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