The time taken by the person to go from A to B is: 10,8 : 9 = 1,2 ( hours ) = 1 hr 12 min
                                              9:40 am = 9 hr 40 min
The time does the person arrive at B is: 9 hr 40 min + 1 hr 12 min = 10 hr 52 min = 10:52 am
The time does the person arrive at B is 10:52am