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3, 7, 15, ?, 63, 127...

3, 7, 15, ?, 63, 127

A

52

B

30

C

47

D

31

Text Solution

Verified by Experts

The correct Answer is:
D
The given sequence of numberfollows the pattern :

Therefore, Missing number `= (15 xx 2) + 1 = 31`.
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