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Example 8. Two trains 320 m and 430 mare moving in the opposite directions at a speedof 50 km/h and 40 km/h, respectively. Howlong will it take the trains to pass each other?

Answer»

Ans :- Given:

lengths of two trains = 320m and 430m.

and their respective speed = 50km/hr and 40km/hr

Trains are moving in opposite direction. so to crossing each othertotal distance = 320 + 430 = 750m

and total speed = 50km/hr + 40km/hr = 90km/hr



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