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One term in the number series is wrong. Find out the wrong term.
One term in the number series is wrong. Find out the wrong term.
3, 7, 15, 39, 63, 127, 255, 511
Answer & Solution
Correct Answer:
Option
B
The correct pattern is x 2 + 1.
So, 39 is wrong and must be replaced by (15 x 2 + 1) i.e. 31.
So, 39 is wrong and must be replaced by (15 x 2 + 1) i.e. 31.
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