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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

Complete the Given Series

Which number replace question mark in the series 7, 12, 19, ?, 39.

Option:
A. 29
B. 28
C. 26
D. 24
Answer: B . 28

Justification:

Clearly, the given sequence follows the pattern:
+5, +7, +9 ...  i.e., 7 + 5 = 12,  12 + 7 = 19, ... .
.'. Missing Number = 19 + 9 = 28.
Hence, the answer is (b).

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