In a family, R is the grandfather of T. T has one brother U and one sister V. If R has two sons, one of whom is the father of T, what is U's relationship to R?

A. GRANDSON

What is the next letter in the series: A, C, E, G, ?

A. I

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

B. S

What letter comes next in the series: M, O, Q, S, ?

B. T

Find the odd one out in the series: A, D, G, J, M, P, S, V

C. M