Two, trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is:

• ক 2 : 3
• খ 9 : 16
• গ 6 : 7
• ঘ 4 : 3 ✅ সঠিক উত্তর