Maths Two persons are going along a railway line in the same direction with the speed of 3 km/h and 6 km/h respectively, a train coming from behind them crosses them in 9 sec and 10 sec respectively What is the speed of this train?
| Q.201742: Two persons are going along a railway line in the same direction with the speed of 3 km/h and 6 km/h respectively, a train coming from behind them crosses them in 9 sec and 10 sec respectively What is the speed of this train? |
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