Discussion :: Problems on Trains
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Two trains, each 100 m long, moving in opposite directions, cross each other in 8 seconds. If one is moving twice as fast the other, then the speed of the faster train is:
Answer : Option C
Explanation :
Let the speed of the slower train be x m/sec.
Then, speed of the faster train = 2x m/sec.
Relative speed = (x + 2x) m/sec = 3x m/sec.
[100+1008] | = 3x | |
24x = 200
x = 253 | . | |
So, speed of the faster train = 503 | m/sec | |
= [503 | x 185] | km/hr | |||||||
= 60 km/hr.
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