The distance between state Karnataka and Delhi is 3000 kms and a train left from a station in state Delhi at 5 am to a station in state Karnataka. The train travelled at the speed of 120 km/hr for 15 hours and the speed was reduced to 100 km/hr. Find at what time the train will reach state Karnataka.?
Distance between karnataka and Delhi is 3000 kms.Train started at 5 am from delhi distance covered in 15 hours at 120 km/hr then 120 * 15=1800 kms then remaining distance covered at 100 km/hr is 3000-1800 =1200 kms then time is 1200/100 =12 hours .So the train will reach to karnataka is 5 am+15 hours+12 hours=8.00 am
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