Two guns are fired from the same place at an interval of 6 minutes. A person approaching the place observes that 5 minutes 52 seconds have elapsed between the hearings of the sound of the two guns. If the velocity of the sound is 330 m/sec, the man was approaching that place at what speed (in km/h)?

• ক 27 kmph ✅ সঠিক উত্তর
• খ 30 kmph
• গ 24 kmph
• ঘ 36 kmph