Two stations P and Q are 155 km apart on a straight track. One train starts from P at 7 a.m. and travels towards Q at 20 kmph. Another train starts from Q at 8 a.m. and travels towards P at a speed of 25kmph. At what time will they meet?

• ক 10.00 a.m.
• খ 11:00 a.m. ✅ সঠিক উত্তর
• গ 10:30 a.m.
• ঘ 11:30 a.m.