Question
The distance between city L and city M is 624 km. A train
starts from L at 8 a.m. at 48 km/h. Another train starts from M at 9:30 a.m. towards L at a speed of 96 km/h. When will they meet?Solution
Time gap = 1.5 hours → Distance = 48 × 1.5 = 72 km
Remaining distance = 624 – 72 = 552 km
Relative speed = 144 km/h
Time = 552 / 144 = 3.833 hrs = 3h 50m
Meeting time = 9:30 a.m. + 3h 50m = 1:20 p.m.
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