A 220 m long train crosses another 270 m long train running in the opposite direction in 27 seconds. If the speed of the first train is 40 km/h, then what is the speed of the second train in km/h?

A 220 m long train crosses another 270 m long train running in the opposite direction in 27 seconds. If the speed of the first train is 40 km/h, then what is the speed of the second train in km/h?
1). 30
2). 76/3
3). 70/3
4). 20

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