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Two trains, A and B, are moving in opposite directions at speeds of 50 km/h and

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Question: Two trains, A and B, are moving in opposite directions at speeds of 50 km/h and 70 km/h respectively. If they are 200 km apart, how long will they take to meet?

Options:

  1. 1 hour
  2. 2 hours
  3. 3 hours
  4. 4 hours

Correct Answer: 2 hours

Solution: 

Relative speed = 50 km/h + 70 km/h = 120 km/h. Time = Distance / Speed = 200 km / 120 km/h = 1.67 hours.

Two trains, A and B, are moving in opposite directions at speeds of 50 km/h and

Practice Questions

Q1
Two trains, A and B, are moving in opposite directions at speeds of 50 km/h and 70 km/h respectively. If they are 200 km apart, how long will they take to meet?
  1. 1 hour
  2. 2 hours
  3. 3 hours
  4. 4 hours

Questions & Step-by-Step Solutions

Two trains, A and B, are moving in opposite directions at speeds of 50 km/h and 70 km/h respectively. If they are 200 km apart, how long will they take to meet?
  • Relative Speed – When two objects move towards each other, their relative speed is the sum of their individual speeds.
  • Time Calculation – Time can be calculated using the formula Time = Distance / Speed.
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