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

In 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.

2, 5, 9, 19, 37,

Option:
A. 76
B. 75
C. 74
D. 72
Answer: B . 75

Justification:

The pattern is * 2 + 1, * 2 - 1, * 2 + 1, * 2 - 1,....
.'. Missing number = 37 * 2 + 1 = 75.

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