If 'HOUSE' is coded as '8151921', what is the code for 'HOME' if 'H' is 8, 'O' is 15, 'M' is 13, and 'E' is 5?

Answer: D. 81513
The code for 'HOME' is formed by concatenating the values of H (8), O (15), M (13), and E (5), resulting in '81513'.