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Two trains start from the same point and travel in opposite directions. Train A

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Question: Two trains start from the same point and travel in opposite directions. Train A travels at 80 km/h and Train B at 100 km/h. How far apart will they be after 1 hour?

Options:

  1. 180 km
  2. 160 km
  3. 200 km
  4. 150 km

Correct Answer: 180 km

Solution: 

Distance apart = (Speed of A + Speed of B) * Time = (80 + 100) * 1 = 180 km.

Two trains start from the same point and travel in opposite directions. Train A

Practice Questions

Q1
Two trains start from the same point and travel in opposite directions. Train A travels at 80 km/h and Train B at 100 km/h. How far apart will they be after 1 hour?
  1. 180 km
  2. 160 km
  3. 200 km
  4. 150 km

Questions & Step-by-Step Solutions

Two trains start from the same point and travel in opposite directions. Train A travels at 80 km/h and Train B at 100 km/h. How far apart will they be after 1 hour?
  • Step 1: Identify the speeds of both trains. Train A travels at 80 km/h and Train B travels at 100 km/h.
  • Step 2: Since the trains are moving in opposite directions, we need to add their speeds together.
  • Step 3: Calculate the total speed: 80 km/h + 100 km/h = 180 km/h.
  • Step 4: Determine the time they have been traveling, which is 1 hour.
  • Step 5: Use the formula for distance: Distance = Speed × Time.
  • Step 6: Plug in the total speed and time: Distance = 180 km/h × 1 hour.
  • Step 7: Calculate the distance: 180 km/h × 1 = 180 km.
  • Step 8: Conclude that after 1 hour, the two trains will be 180 km apart.
  • Relative Speed – The combined speed of two objects moving in opposite directions is the sum of their individual speeds.
  • Distance Calculation – Distance is calculated by multiplying speed by time.
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