The distance between Lucknow and New Delhi is 405 km. If a train takes 8 hours to travel this distance than the speed of train in mixed fraction is.
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let the speed of train that started from Delhi is x km / hour
speed of train that started from Lucknow is x +15
first train covered 8x km in 8 hours
second train covers 8(x+15) in 8 hours
total distance covered = 8x+ 8x+120 = 620
16x = 500
X = 31.25 km
speed of train that starts from Lucknow = 31.25+15= 46.25 km/ hour
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