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Two guns were fired from the same pla...

Two guns were fired from the same place at an interval of 8 minutes, A person approaching the place observes that 5 minutes 52 seconds have elapsed between the hearing of the sound of the two guns. If the velocity of the sound is 330 in/sec, the man was approaching the place at what speed (in km/hr)? `24` b. `27` c. `30` d. `36`

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