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Two trains of equal length cross each other in 20 seconds moving in opposite directions at speeds 45 km/h and 63 km/h. What is the length of each train?

Correct Answer: 180 m

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Math MCQ: Two trains of equal length cross each other in 20 seconds moving in opposite directions at speeds 45 km/h and 63 km/h. What is the length of each train? | Extra Education