Verbal Reasoning - Series Completion - Discussion
Discussion Forum : Series Completion - Section 3 (Q.No. 27)
Directions to Solve
In this type of questions, one term in the number series is wrong. Find out the wrong term.
27.
3, 7, 15, 39, 63, 127, 255, 511
Answer: Option
Explanation:
The correct pattern is x 2 + 1.
So, 39 is wrong and must be replaced by (15 x 2 + 1) i.e. 31.
Discussion:
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