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A 300-meter long train is travelling at the speed of 100 km per hour. One engineer keeps walking back and forth between the front compartment and the rear one, at the speed of 2 km per hour.

If the train's journey is 300 km long, then how many meters has the engineer walked in the same time?

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#### Puzzle No. 13

*Posted on 25 March 2016*A 300-meter long train is travelling at the speed of 100 km per hour. One engineer keeps walking back and forth between the front compartment and the rear one, at the speed of 2 km per hour.

If the train's journey is 300 km long, then how many meters has the engineer walked in the same time?

Click to show/hide hint

Click to show/hide explanation