ICSE Class 8 Answered
The engine driver of a 130m long Rajdhani Express, traveling at 150km/h, sees the rear of a 220 m long goods train, traveling at 80 km/h ahead of him on another track at 8:05:00 a. m. If the Rajdhani Express overtakes the goods train at 8:06:30 a.m., how far was the goods train when the driver saw its rear at 8:05 a.m.?
Asked by Cl_narayan | 08 Aug, 2019, 03:58: PM
Expert Answer
let x km be the distance between two trains
Total distance = 0.35 + x
time = 90 sec = 0.025 hrs
Relative speed = (150 - 80) = 70 kmph
distance = speed x time
0.35 + x = 1.75
x = 1.4 km
Answered by Arun | 08 Aug, 2019, 05:42: PM
ICSE 8 - Maths
Asked by Cl_narayan | 08 Aug, 2019, 03:58: PM
ANSWERED BY EXPERTICSE 8 - Maths
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