What will be the next term of this series? ?, 6, 13, 22, 33, 46

Question:

What will be the next term of this series? ?, 6, 13, 22, 33, 46

Options:

A. 1

B. 2

C. 3

D. 0

Answer:

A. 1 is the answer.

Solution:

The pattern is

33 + 13 = 46,

22 + 11 = 33

13 + 9 = 22

6 + 7 = 13

? + 5 = 6

1 + 5 = 6