If A travels to his school from his house at the speed of 3 km/h, then he reaches the school 5 minutes late. If he travels at the speed of 4 km/h, he reaches the school 5 minutes earlier than school time. The distance of his school from his house is:

• ক 4 km
• খ 2 km ✅ সঠিক উত্তর
• গ 1 km
• ঘ 3 km