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

B. 192

Complete the series: B, D, F, H, ?

C. I

Complete the series: B, D, F, H, ?

A. J

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

B. 32

What is the next number in the series: 10, 20, 30, 40, ?

B. 50