Mathematics Quizzes Number Series Completion

Directions:
In the following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces:

Question:
1, 9, 17, 33, 49, 73,

Option A):
99
Option B):
97
Option C):
98
Option D):
100

Correct Answer is Option B):
97

Explanation:
The pattern is + 8, + 8, + 16, + 24,....
.'. Missing number = 73 + 24 = 97