A B C D E F G H
What letter comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the
right of the letter F?
A train moving at 49 mph meets and is passed by a train moving at 63 mph. A passenger in the first train noted that the second train took AS seconds to pass him. How long is the second train?