Two guns were fired from the same place at an interval of 13 minutes but a person in a train approaching the place hears the second shot 12 minutes 30 seconds after the first. Find the speed of train if sound travels at 330 metres per second.

Two guns were fired from the same place at an interval of 13 minutes b

1.	Two guns were fired from the same place at an interval of 13 minutes but a person in a train approaching the place hears the second shot 12 minutes 30 seconds after the first. Find the speed of train if sound travels at 330 metres per second.
A.	$$ {46{13 over 25}}km/hour$$
B.	$$ {47{13 over 25}}km/hour$$
C.	48 km/hour
D.	49.2 km/hour
Answer» C. 48 km/hour

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Two guns were fired from the same place at an interval of 13 minutes but a person in a train approaching the place hears the second shot 12 minutes 30 seconds after the first. Find the speed of train if sound travels at 330 metres per second.

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