A man walk a certain distance and rides back in 4 hours 30 minutes. He could ride both ways in 3 hours. The time required by the man to walk both ways is:

• ক 5 hours
• খ 6 hours ✅ সঠিক উত্তর
• গ 5 hours 45 minutes.
• ঘ 6 hours 35 minutes.