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Ques:- Find out the wrong number in a given series.
3, 7, 15, 39, 63, 127, 255, 511
3, 7, 15, 39, 63, 127, 255, 511
A. 7
B. 15
C. 39
D. 67
Ques:- Find out the wrong number in the series:
789, 645, 545, 481, 440, 429, 425
789, 645, 545, 481, 440, 429, 425
A. 429
B. 440
C. 481
D. 645