Originally Posted by shadows

Question #1- It doesn't state that he didn't go on more than one trip. Therefore he arrived on a Wednesday and then left on a Friday sometime in the future.

Question #2- The doctor is the deceased man's father(the grandfather of the surviving boy).

Question #3- I assume you meant frog rather than fog? The frog will leap over the edge of the well during the daytime of the 10th day.

How did I do?