A train 760 m long crosses a platform 440 m long in 40 sec. Find the speed of the train in km per hour
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speed = (760+440)/40 m/sec,
= 1200/40 m/sec,
=30 m/sec,
=30×18/5 km/hr,
=6×18 km/hr,
=108 km/hr
= 1200/40 m/sec,
=30 m/sec,
=30×18/5 km/hr,
=6×18 km/hr,
=108 km/hr
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