If X is the father of Y and Y is the son of Z, what is Z's relation to X?

C. WIFE

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

C. Q

In a coding scheme, 'RAT' is coded as '181920'. How is 'BAT' coded if 'B' is 2, 'A' is 1, and 'T' is 20?

A. 21220

In a certain code, 'FISH' is written as 'GJTI'. How would 'BIRD' be encoded in the same code?

A. CJSF

Four friends, A, B, C, and D, are sitting in a row. A is to the left of B but to the right of C. D is not at either end. What is the correct order from left to right?

A. C, A, B, D