1.

1). 750 m/min2). 700 m/min3). 500 m/min4). 550 m/min

Answer»

LENGTH of BRIDGE = 1 km = 1000 m

⇒ Length of train = 1000/2 = 500 m

⇒ Total distance travelled = (1000 + 500) m = 1500 m

⇒ Time TAKEN = 2 min

∴ Speed of train = 1500/2 = 750 m/min


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