Identify the missing number in the series: 12, 24, 48, 96, ?

B. 192

What number should replace the question mark in the series: 2, 4, 8, 16, ?

B. 32

Identify the missing letter in the series: Z, Y, X, W, ?

A. V

What is the missing number in the series: 1, 1, 2, 3, 5, ?

A. 7

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

A. T