Find the missing number: 3, 7, 15 ,?, 63 ,127
A. 30
B. 31
C. 47
D. 52
Answer: Option B
Solution(By Examveda Team)
Each number in the series is one more than twice the preceding number.So, the missing term = (15 x 2) + 1 = 31
This Question Belongs to Competitive Reasoning >> Number Series Completion
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