I have done this question before as part of the Module 7: Earthquakes and Seismology Lab. Therefore as the answer should be the same, regardless of the amount of times the exercise is done then it can be said that the p wave will arrive at 01:49:00 gmt which is written in (hours:minutes:seconds) as stated in the question.
It is when their is sort of a dent somewhere on your body, dimples are usually found on the face, and sometimes you may only have a dimple on one side of your face