Walking speed of Arup = 4 kmph Walking speed of Swarup = 5 kmph Time taken by Arup to walk 2 km = 30 min Time taken by Arup to ride by car =24 min Let’s consider Swarup Time taken by Swarup to walk 2 km = 24 min Time taken by Swarup to ride by car =3 0 min So Total journey time for both = 30 +24+30 =84 min Hence they would be together at B at 9 : 24 AM