In each of the following number series the wrong number is given find out that number 34 41 54 67 86...........

Quantitative Aptitude(IBPS RRB CL) Number series

In each of the following number series, the wrong number is given, find out that number.

34, 41, 54, 67, 86, 109

This questions was previously asked in

RRB Clerk Prelims (14 Aug, 2022 Shift 1)

- Let's identify the wrong number in the series: 34, 41, 54, 67, 86, 109.

- Check the differences between consecutive numbers:

- 41 - 34 = 7

- 54 - 41 = 13

- 67 - 54 = 13

- 86 - 67 = 19

- 109 - 86 = 23

- The differences should follow a logical sequence.

- Sequence of differences: 7, 13, 19, 23.

- Difference between successive differences: 6, 6, 4 (should be consistent or follow a pattern).

- Given the pattern, the second difference should increase by 6, hence it should be 19, not 13, and therefore 54 is incorrect.

Option 4-54

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