Train A, 600 mts long is running at 80 kmph will take how much time to cross a man
sitting in another train which is 400 metres long, running at 64 kmph in the opposite
direction?
(a) 9 seconds (b) 15 seconds (c) 9.6 seconds (d) 10.8 seconds
Answers
Answered by
1
Answer:
(b) 15 seconds
Step-by-step explanation:
Distance = 600 metres
Total Speed = 64 + 80 = 144 kmph (added because they are travelling in opposite directions)
In m/sec, speed = 144 *(5/18) = 40 m/sec
Distance = Speed * Time
600 = 40 * Time
Therefore, Time = 15 seconds
Answered by
0
Answer:
15
Step-by-step explanation:
Distance = 600 metres
Total Speed = 64 + 80 = 144 kmph (added because they are travelling in opposite directions)
In m/sec, speed = 144 *(5/18) = 40 m/sec
Distance = Speed * Time
600 = 40 * Time
Therefore, Time = 15 seconds
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