1. The distance between two cities ( M and N) is 350 km. A train starts from city M at 6 a.m. and travels towards city N at 63 kmph. Another train starts from city N at 7 a.m. and travels towards city M at 77 kmph. At what time will the trains meet ?
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By: anil on 05 May 2019 01.35 am
as it is given that train which starts at M at 6 am has a speed of 63 km/hr So distance covered till 7 am = 63 km Now the remaining distance between M and N is = 287 km Now a train also starts from N towards M with a speed of 77 km/hr . Relative speed = 140 km/hr Time taken to cover the remaining 287 km is = $$frac{287}{140}$$ = 2hours 3 min And hence both trains will meet at 9.03 am
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