What number should replace the question mark in the series: 3, 6, 11, 18, ?, 42

C. 29

Identify the missing term in the series: 3, 6, 11, 18, ?

A. 25

What number should replace the question mark in the series: 2, 6, 12, 20, ?

B. 42

What number should come next in the series: 10, 20, 40, 80, ?

C. 160

What is the missing number in the series: 3, 8, 15, 24, ?, 60

B. 36