Two guns were fired from the same place at an interval of 13 minutes but a person approaching the place hears the second shot 12 minute 30 seconds after the first.find the speed of train if sound travels at 330 meters per second.
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so in that 750 seconds he travels 330.30 so speed
![330 \times 30 \div 750 330 \times 30 \div 750](https://tex.z-dn.net/?f=330+%5Ctimes+30+%5Cdiv+750)
13.2 m/s
13.2 m/s
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