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Train A of length 300m and Train B of length 600m are travelling with 35kmph and 55kmph respectively. Find the time taken by them to cross each other if they are moving in opposite direction ?
  • a)
    32 seconds
  • b)
    34 seconds
  • c)
    36 seconds
  • d)
    38 seconds
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Train A of length 300m and Train B of length 600m are travelling with ...
relative speed = 35+55 = 90 kmph = 90*(5/18) = 25 m/s
Time taken to cross each other =
So the answer is option C.
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Most Upvoted Answer
Train A of length 300m and Train B of length 600m are travelling with ...
Train A and Train B are moving in opposite directions. To find the time taken by them to cross each other, we need to consider the relative speed of the two trains.

Relative speed of two objects moving in opposite directions is the sum of their individual speeds.

Given:
Length of Train A = 300m
Length of Train B = 600m
Speed of Train A = 35 km/h
Speed of Train B = 55 km/h

Let's calculate the relative speed of the two trains first.

Relative Speed = Speed of Train A + Speed of Train B
Relative Speed = 35 km/h + 55 km/h
Relative Speed = 90 km/h

Now, we need to convert the relative speed from km/h to m/s to match the units of the lengths of the trains.

1 km/h = (5/18) m/s

Relative Speed = 90 km/h * (5/18) m/s
Relative Speed = 25 m/s

The time taken by the two trains to cross each other can be found using the formula:

Time = Distance / Relative Speed

Let's calculate the time taken.

For Train A:
Time taken by Train A to cross Train B = Length of Train B / Relative Speed
Time taken by Train A = 600m / 25m/s
Time taken by Train A = 24 seconds

For Train B:
Time taken by Train B to cross Train A = Length of Train A / Relative Speed
Time taken by Train B = 300m / 25m/s
Time taken by Train B = 12 seconds

Since the trains are moving in opposite directions, the time taken to cross each other is the sum of the time taken by each train.

Total Time taken = Time taken by Train A + Time taken by Train B
Total Time taken = 24 seconds + 12 seconds
Total Time taken = 36 seconds

Therefore, the correct answer is option C) 36 seconds.
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Train A of length 300m and Train B of length 600m are travelling with 35kmph and 55kmph respectively. Find the time taken by them to cross each other if they are moving in opposite direction ?a)32 secondsb)34 secondsc)36 secondsd)38 secondsCorrect answer is option 'C'. Can you explain this answer?
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Train A of length 300m and Train B of length 600m are travelling with 35kmph and 55kmph respectively. Find the time taken by them to cross each other if they are moving in opposite direction ?a)32 secondsb)34 secondsc)36 secondsd)38 secondsCorrect answer is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about Train A of length 300m and Train B of length 600m are travelling with 35kmph and 55kmph respectively. Find the time taken by them to cross each other if they are moving in opposite direction ?a)32 secondsb)34 secondsc)36 secondsd)38 secondsCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Train A of length 300m and Train B of length 600m are travelling with 35kmph and 55kmph respectively. Find the time taken by them to cross each other if they are moving in opposite direction ?a)32 secondsb)34 secondsc)36 secondsd)38 secondsCorrect answer is option 'C'. Can you explain this answer?.
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