Walking at 4 Km/hr a man reaches his office 5 minutes late. If he walks at 5 Km/hr he will be 2(1/2) minutes early. The distance of his office from his house is-

• ক 5 km
• খ 2 km
• গ 2.5 km ✅ সঠিক উত্তর
• ঘ 3 km
• 5 3.5 km প্রশ্নটি বাতিল করা হয়েছে