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Two trains are moving in the same direction with speeds of 15 km/h and 21km/h respectively. What is the speed of trains in respect of each other ?
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- 26 km/h
- 15 km/h
- 6 km/h
- 24 km/h
Correct Option: C
We know that, if two trains are running in the same direction, then relative speed is equal to the difference of the speeds of both the trains.
∴ Required relative speed = 21 - 15 = 6 km/h
