Train 1 leaves A at 8 am and reaches B at 2 pm. Train 2 leaves B at 10 am and reaches A at 6 pm. At what approximate time do the 2 trains m…

Explanation

Train 1 takes 6 h and Train 2 takes 8 h. By 10 am Train 1 has covered 1/3, leaving 2/3. They close at 1/6 + 1/8 = 7/24 per hour, so time = (2/3)/(7/24) = 16/7 h ≈ 2 h 17 min after 10 am, i.e. 12:17 pm.