Two trains, each 50 m long, travel in opposite directions with speeds 10 m s⁻¹ and 15 m s⁻¹. The time required to completely cross each other is:
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Two trains, each 50 m long, travel in opposite directions with speeds 10 m s⁻¹ and 15 m s⁻¹. The time required to completely cross each other is:
Options