What number should replace the question mark in the series: 1, 4, 9, 16, ?

B. 25

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

C. 32

Identify the missing number in the series: 2, 5, 10, 17, ?

B. 25

Find the missing number in the series: 5, 10, 20, 40, ?

D. 80

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

B. 192