Two trains of length 640 metres and 480 metres are moving with the speed of 234 km/hr and 144 km/hr respectively. If both train are moving in the same distance, then in how much time will the faster train can cross the slower train?
Two trains of length 640 metres and 480 metres are moving with the speed of 234 km/hr and 144 km/hr respectively. If both train are moving in the same distance, then in how much time will the faster train can cross the slower train?
Option 1 -
44.8 seconds
Option 2 -
42.6 seconds
Option 3 -
41.4 seconds
Option 4 -
40.6 seconds
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1 Answer
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Correct Option - 1
Detailed Solution:Difference between the speed = 90 km/hr
= 90*5/18 = 25 m/s
Time taken = (640 + 480)/25
= 44.8 seconds
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