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

D. P

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

C. Q

Find the odd one out in the series: A, C, E, G, I, K, M, O, Q, R

D. R

What letter comes next in the series: z, x, v, t, ?

C. Q

A, E, I, M, ?

B. O