Identify the missing letter in the series: Z, X, V, T, ?

C. Q

A family consists of a father, a mother, and two children. The father is a chef, the mother is a nurse, and one child is a student. If the other child is not a student, what can be inferred about their profession?

C. UNKNOWN

If 'APPLE' is coded as 'BQQMF', what will 'GRAPE' be coded as?

A. HSBQF

If K is the grandmother of L and L is the daughter of M, what is the relationship of M to K?

C. DAUGHTER-IN-LAW

If 'HOUSE' is coded as '8151925', what is the code for 'HOME' using the values 'H' = 8, 'O' = 15, 'M' = 13, 'E' = 5?

A. 81315