3, 7, 15, 39, 63, 127, 255, 511. Find out the wrong number in series. – McqOptions

MCQOPTIONS

1.	3, 7, 15, 39, 63, 127, 255, 511. Find out the wrong number in series.
A.	39
B.	15
C.	127
D.	63
Answer» B. 15

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