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Two goods train each 500 m long, are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively.
Find the time taken by the slower train to pass the driver of the faster one.
Speeds add up as trains move in opposite direction:
The distance is the length of the faster train:
500 m=0.5 km
0.5/75 km/km/hr=1/150 hr= 3600/150 sec= 24 seconds
Two trains are moving in opposite directions @ 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively.
What is the time taken by the slower train to cross the faster train in seconds ?
A man covers a distance on scooter. Had he moved 3 kmph faster he would have taken 40 min less. If he had moved 2 kmph slower he would have taken 40min more. What is the distance he wanted to cover?
The ratio between the rates of walking of A and B is 2:3 and therefore A takes 10 minute more than the time taken by B to reach the destination.
If A had walked at double the speed, how much time he would have taken to reach the destination.
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