Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
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Verbal Reasoning
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Number Series
1, 5, 13, 31, 61, 125, 253
1
5
31
61
Show Answer
Correct Answer:
31
Explanation:
The series is + 2
2
, + 2
3
, + 2
4
, + 2
5
, + 2
6
, + 2
7
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