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Two trains start from the same point and travel in opposite directions. If one t

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Question: Two trains start from the same point and travel in opposite directions. If one train travels at 80 km/h and the other at 100 km/h, how far apart will they be after 2 hours?

Options:

  1. 360 km
  2. 320 km
  3. 280 km
  4. 240 km

Correct Answer: 360 km

Solution: 

Distance = (Speed1 + Speed2) * Time = (80 km/h + 100 km/h) * 2 h = 360 km.

Two trains start from the same point and travel in opposite directions. If one t

Practice Questions

Q1
Two trains start from the same point and travel in opposite directions. If one train travels at 80 km/h and the other at 100 km/h, how far apart will they be after 2 hours?
  1. 360 km
  2. 320 km
  3. 280 km
  4. 240 km

Questions & Step-by-Step Solutions

Two trains start from the same point and travel in opposite directions. If one train travels at 80 km/h and the other at 100 km/h, how far apart will they be after 2 hours?
  • Step 1: Identify the speeds of the two trains. Train 1 travels at 80 km/h and Train 2 travels at 100 km/h.
  • Step 2: Add the speeds of both trains together to find the total speed. 80 km/h + 100 km/h = 180 km/h.
  • Step 3: Determine the time they are traveling. In this case, they are traveling for 2 hours.
  • Step 4: Calculate the total distance apart after 2 hours using the formula: Distance = Total Speed * Time.
  • Step 5: Substitute the values into the formula: Distance = 180 km/h * 2 h.
  • Step 6: Perform the multiplication: 180 km/h * 2 h = 360 km.
  • Step 7: Conclude that after 2 hours, the two trains will be 360 km apart.
  • Relative Speed – The combined speed of two objects moving in opposite directions is the sum of their individual speeds.
  • Distance Calculation – Distance can be calculated using the formula: Distance = Speed × Time.
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