DIRECTIONS for Questions: Each question is followed by two statements, A and B. Answer each question using the following instructions:

Choose 1 if the question can be answered by using statement A alone but not by using B alone.
Choose 2 if the question can be answered by using statement B alone but not by using A alone.
Choose 3 if the question can be answered by using either statement alone.
Choose 4 if the question can be answered by using both the statements together but not by either statement alone.

A family has only one kid. The father says "after 'n' years, my age will be 4 times the age of my kid." The mother says "after ‘n' years, my age will be 3 times that of my kid." What will be the combined ages of the parents after ‘n' years?

A. The age difference between the parents is 10 years.
B. After 'n' years the kid is going to be twice as old as she is now.