Find out the wrong number in the FOLLOWING series.
2, 5, 10, 17, 26, 38, 50, 65
The series is: 2, 5, 10, 17, 26, 38, 50, 65.
Differences between consecutive terms:
The differences should follow an arithmetic progression with a common difference of 2: 3, 5, 7, 9, 11, 13, 15.
The expected number after 26 is 26 + 11 = 37, but the given number is 38. Therefore, 38 is the wrong number.
Answer: (D) 38
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