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

C. Q

What is the missing number in the series: 2, 4, 8, 16, ?, 64

B. 32

Find the odd one out in the series: A, D, G, J, K, N

C. K

What number should replace the question mark in the series: 1, 1, 2, 3, 5, ?

B. 8

What letter comes next in the series: d, f, h, j, ?

A. K